Home / 85,928,202,003.15-128,892,303,004.72-85,928,202,003.15

Finding the Fourth Proportional to 85,928,202,003.15, 128,892,303,004.72 and 85,928,202,003.15

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Solution

The fourth proportional to 85,928,202,003.15, 128,892,303,004.72 and 85,928,202,003.15 is: 128,892,303,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,928,202,003.15 : 128,892,303,004.72 = 85,928,202,003.15 : x
  2. Step 2: Convert to fraction form
    85,928,202,003.15/128,892,303,004.72 = 85,928,202,003.15/x
  3. Step 3: Cross multiply
    85,928,202,003.15x = 128,892,303,004.72 × 85,928,202,003.15
  4. Step 4: Simplify right side
    85,928,202,003.15x = 11,075,483,849,240,797,511,680
  5. Step 5: Solve for x
    x = 11,075,483,849,240,797,511,680/85,928,202,003.15
  6. Step 6: Final answer
    x = 128,892,303,004.72

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.