Home / 203,075,482,233.58-280,240,395,370.11-111,622,077,986.26

Finding the Fourth Proportional to 203,075,482,233.58, 280,240,395,370.11 and 111,622,077,986.26

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Solution

The fourth proportional to 203,075,482,233.58, 280,240,395,370.11 and 111,622,077,986.26 is: 154,036,395,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,075,482,233.58 : 280,240,395,370.11 = 111,622,077,986.26 : x
  2. Step 2: Convert to fraction form
    203,075,482,233.58/280,240,395,370.11 = 111,622,077,986.26/x
  3. Step 3: Cross multiply
    203,075,482,233.58x = 280,240,395,370.11 × 111,622,077,986.26
  4. Step 4: Simplify right side
    203,075,482,233.58x = 31,281,015,266,902,752,100,352
  5. Step 5: Solve for x
    x = 31,281,015,266,902,752,100,352/203,075,482,233.58
  6. Step 6: Final answer
    x = 154,036,395,348.42

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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.