Home / 515,661,145-773,513,062.62-152,155,501

Finding the Fourth Proportional to 515,661,145, 773,513,062.62 and 152,155,501

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Solution

The fourth proportional to 515,661,145, 773,513,062.62 and 152,155,501 is: 228,239,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,661,145 : 773,513,062.62 = 152,155,501 : x
  2. Step 2: Convert to fraction form
    515,661,145/773,513,062.62 = 152,155,501/x
  3. Step 3: Cross multiply
    515,661,145x = 773,513,062.62 × 152,155,501
  4. Step 4: Simplify right side
    515,661,145x = 117,694,267,572,990,480
  5. Step 5: Solve for x
    x = 117,694,267,572,990,480/515,661,145
  6. Step 6: Final answer
    x = 228,239,549.78

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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.