Home / 708,543,998.10-1,062,815,997.15-402,433,982.10

Finding the Fourth Proportional to 708,543,998.10, 1,062,815,997.15 and 402,433,982.10

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Solution

The fourth proportional to 708,543,998.10, 1,062,815,997.15 and 402,433,982.10 is: 603,650,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,543,998.10 : 1,062,815,997.15 = 402,433,982.10 : x
  2. Step 2: Convert to fraction form
    708,543,998.10/1,062,815,997.15 = 402,433,982.10/x
  3. Step 3: Cross multiply
    708,543,998.10x = 1,062,815,997.15 × 402,433,982.10
  4. Step 4: Simplify right side
    708,543,998.10x = 427,713,273,972,656,768
  5. Step 5: Solve for x
    x = 427,713,273,972,656,768/708,543,998.10
  6. Step 6: Final answer
    x = 603,650,973.15

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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.