Home / 431,551,229.70-647,326,844.55-247,885,220.10

Finding the Fourth Proportional to 431,551,229.70, 647,326,844.55 and 247,885,220.10

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Solution

The fourth proportional to 431,551,229.70, 647,326,844.55 and 247,885,220.10 is: 371,827,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,551,229.70 : 647,326,844.55 = 247,885,220.10 : x
  2. Step 2: Convert to fraction form
    431,551,229.70/647,326,844.55 = 247,885,220.10/x
  3. Step 3: Cross multiply
    431,551,229.70x = 647,326,844.55 × 247,885,220.10
  4. Step 4: Simplify right side
    431,551,229.70x = 160,462,757,337,915,232
  5. Step 5: Solve for x
    x = 160,462,757,337,915,232/431,551,229.70
  6. Step 6: Final answer
    x = 371,827,830.15

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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.