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Finding the Fourth Proportional to 515,661,143, 773,513,059.62 and 152,155,499

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Solution

The fourth proportional to 515,661,143, 773,513,059.62 and 152,155,499 is: 228,239,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,661,143 : 773,513,059.62 = 152,155,499 : x
  2. Step 2: Convert to fraction form
    515,661,143/773,513,059.62 = 152,155,499/x
  3. Step 3: Cross multiply
    515,661,143x = 773,513,059.62 × 152,155,499
  4. Step 4: Simplify right side
    515,661,143x = 117,694,265,569,497,856
  5. Step 5: Solve for x
    x = 117,694,265,569,497,856/515,661,143
  6. Step 6: Final answer
    x = 228,239,546.78

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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.