Home / 457,340,951.66-686,010,069.86-129,816,741.96

Finding the Fourth Proportional to 457,340,951.66, 686,010,069.86 and 129,816,741.96

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Solution

The fourth proportional to 457,340,951.66, 686,010,069.86 and 129,816,741.96 is: 194,724,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,340,951.66 : 686,010,069.86 = 129,816,741.96 : x
  2. Step 2: Convert to fraction form
    457,340,951.66/686,010,069.86 = 129,816,741.96/x
  3. Step 3: Cross multiply
    457,340,951.66x = 686,010,069.86 × 129,816,741.96
  4. Step 4: Simplify right side
    457,340,951.66x = 89,055,592,220,328,112
  5. Step 5: Solve for x
    x = 89,055,592,220,328,112/457,340,951.66
  6. Step 6: Final answer
    x = 194,724,727.58

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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.