Home / 515,661,142-773,513,058.12-152,155,498

Finding the Fourth Proportional to 515,661,142, 773,513,058.12 and 152,155,498

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Solution

The fourth proportional to 515,661,142, 773,513,058.12 and 152,155,498 is: 228,239,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,661,142 : 773,513,058.12 = 152,155,498 : x
  2. Step 2: Convert to fraction form
    515,661,142/773,513,058.12 = 152,155,498/x
  3. Step 3: Cross multiply
    515,661,142x = 773,513,058.12 × 152,155,498
  4. Step 4: Simplify right side
    515,661,142x = 117,694,264,567,751,552
  5. Step 5: Solve for x
    x = 117,694,264,567,751,552/515,661,142
  6. Step 6: Final answer
    x = 228,239,545.28

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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.