Home / 515,591,719.58-773,380,006.95-127,414,539.50

Finding the Fourth Proportional to 515,591,719.58, 773,380,006.95 and 127,414,539.50

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Solution

The fourth proportional to 515,591,719.58, 773,380,006.95 and 127,414,539.50 is: 191,119,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,591,719.58 : 773,380,006.95 = 127,414,539.50 : x
  2. Step 2: Convert to fraction form
    515,591,719.58/773,380,006.95 = 127,414,539.50/x
  3. Step 3: Cross multiply
    515,591,719.58x = 773,380,006.95 × 127,414,539.50
  4. Step 4: Simplify right side
    515,591,719.58x = 98,539,857,444,041,056
  5. Step 5: Solve for x
    x = 98,539,857,444,041,056/515,591,719.58
  6. Step 6: Final answer
    x = 191,119,937.93

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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.