Home / 515,591,753.31-773,380,057.41-127,414,573.25

Finding the Fourth Proportional to 515,591,753.31, 773,380,057.41 and 127,414,573.25

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Solution

The fourth proportional to 515,591,753.31, 773,380,057.41 and 127,414,573.25 is: 191,119,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,591,753.31 : 773,380,057.41 = 127,414,573.25 : x
  2. Step 2: Convert to fraction form
    515,591,753.31/773,380,057.41 = 127,414,573.25/x
  3. Step 3: Cross multiply
    515,591,753.31x = 773,380,057.41 × 127,414,573.25
  4. Step 4: Simplify right side
    515,591,753.31x = 98,539,889,971,088,752
  5. Step 5: Solve for x
    x = 98,539,889,971,088,752/515,591,753.31
  6. Step 6: Final answer
    x = 191,119,988.52

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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.