Home / 515,591,728.08-773,380,019.70-127,414,548

Finding the Fourth Proportional to 515,591,728.08, 773,380,019.70 and 127,414,548

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Solution

The fourth proportional to 515,591,728.08, 773,380,019.70 and 127,414,548 is: 191,119,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,591,728.08 : 773,380,019.70 = 127,414,548 : x
  2. Step 2: Convert to fraction form
    515,591,728.08/773,380,019.70 = 127,414,548/x
  3. Step 3: Cross multiply
    515,591,728.08x = 773,380,019.70 × 127,414,548
  4. Step 4: Simplify right side
    515,591,728.08x = 98,539,865,642,306,608
  5. Step 5: Solve for x
    x = 98,539,865,642,306,608/515,591,728.08
  6. Step 6: Final answer
    x = 191,119,950.68

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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.