Home / 418,172,487.72-577,668,145.14-335,092,513.02

Finding the Fourth Proportional to 418,172,487.72, 577,668,145.14 and 335,092,513.02

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Solution

The fourth proportional to 418,172,487.72, 577,668,145.14 and 335,092,513.02 is: 462,900,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,172,487.72 : 577,668,145.14 = 335,092,513.02 : x
  2. Step 2: Convert to fraction form
    418,172,487.72/577,668,145.14 = 335,092,513.02/x
  3. Step 3: Cross multiply
    418,172,487.72x = 577,668,145.14 × 335,092,513.02
  4. Step 4: Simplify right side
    418,172,487.72x = 193,572,270,446,564,672
  5. Step 5: Solve for x
    x = 193,572,270,446,564,672/418,172,487.72
  6. Step 6: Final answer
    x = 462,900,540.16

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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.