Home / 387,829,511.10-581,744,266.65-311,302,007.10

Finding the Fourth Proportional to 387,829,511.10, 581,744,266.65 and 311,302,007.10

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Solution

The fourth proportional to 387,829,511.10, 581,744,266.65 and 311,302,007.10 is: 466,953,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,829,511.10 : 581,744,266.65 = 311,302,007.10 : x
  2. Step 2: Convert to fraction form
    387,829,511.10/581,744,266.65 = 311,302,007.10/x
  3. Step 3: Cross multiply
    387,829,511.10x = 581,744,266.65 × 311,302,007.10
  4. Step 4: Simplify right side
    387,829,511.10x = 181,098,157,827,062,592
  5. Step 5: Solve for x
    x = 181,098,157,827,062,592/387,829,511.10
  6. Step 6: Final answer
    x = 466,953,010.65

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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.