Home / 856,558,046.60-1,181,945,600.70-480,127,757.48

Finding the Fourth Proportional to 856,558,046.60, 1,181,945,600.70 and 480,127,757.48

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Solution

The fourth proportional to 856,558,046.60, 1,181,945,600.70 and 480,127,757.48 is: 662,517,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,558,046.60 : 1,181,945,600.70 = 480,127,757.48 : x
  2. Step 2: Convert to fraction form
    856,558,046.60/1,181,945,600.70 = 480,127,757.48/x
  3. Step 3: Cross multiply
    856,558,046.60x = 1,181,945,600.70 × 480,127,757.48
  4. Step 4: Simplify right side
    856,558,046.60x = 567,484,890,727,442,560
  5. Step 5: Solve for x
    x = 567,484,890,727,442,560/856,558,046.60
  6. Step 6: Final answer
    x = 662,517,727.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.