Home / 515,661,141-773,513,056.62-152,155,497

Finding the Fourth Proportional to 515,661,141, 773,513,056.62 and 152,155,497

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Solution

The fourth proportional to 515,661,141, 773,513,056.62 and 152,155,497 is: 228,239,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,661,141 : 773,513,056.62 = 152,155,497 : x
  2. Step 2: Convert to fraction form
    515,661,141/773,513,056.62 = 152,155,497/x
  3. Step 3: Cross multiply
    515,661,141x = 773,513,056.62 × 152,155,497
  4. Step 4: Simplify right side
    515,661,141x = 117,694,263,566,005,248
  5. Step 5: Solve for x
    x = 117,694,263,566,005,248/515,661,141
  6. Step 6: Final answer
    x = 228,239,543.78

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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.