Home / 515,591,719.08-773,380,006.20-127,414,539

Finding the Fourth Proportional to 515,591,719.08, 773,380,006.20 and 127,414,539

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Solution

The fourth proportional to 515,591,719.08, 773,380,006.20 and 127,414,539 is: 191,119,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,591,719.08 : 773,380,006.20 = 127,414,539 : x
  2. Step 2: Convert to fraction form
    515,591,719.08/773,380,006.20 = 127,414,539/x
  3. Step 3: Cross multiply
    515,591,719.08x = 773,380,006.20 × 127,414,539
  4. Step 4: Simplify right side
    515,591,719.08x = 98,539,856,961,790,144
  5. Step 5: Solve for x
    x = 98,539,856,961,790,144/515,591,719.08
  6. Step 6: Final answer
    x = 191,119,937.18

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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.