Home / 203,075,482,234.08-280,240,395,370.80-111,622,077,986.76

Finding the Fourth Proportional to 203,075,482,234.08, 280,240,395,370.80 and 111,622,077,986.76

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Solution

The fourth proportional to 203,075,482,234.08, 280,240,395,370.80 and 111,622,077,986.76 is: 154,036,395,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,075,482,234.08 : 280,240,395,370.80 = 111,622,077,986.76 : x
  2. Step 2: Convert to fraction form
    203,075,482,234.08/280,240,395,370.80 = 111,622,077,986.76/x
  3. Step 3: Cross multiply
    203,075,482,234.08x = 280,240,395,370.80 × 111,622,077,986.76
  4. Step 4: Simplify right side
    203,075,482,234.08x = 31,281,015,267,119,891,218,432
  5. Step 5: Solve for x
    x = 31,281,015,267,119,891,218,432/203,075,482,234.08
  6. Step 6: Final answer
    x = 154,036,395,349.11

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Half scale
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Double scale
Find fourth proportional to 203,075,482,235.08, 280,240,395,372.18 and 111,622,077,987.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.