Home / 487,056,508.40-730,510,944.84-132,558,415.46

Finding the Fourth Proportional to 487,056,508.40, 730,510,944.84 and 132,558,415.46

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Solution

The fourth proportional to 487,056,508.40, 730,510,944.84 and 132,558,415.46 is: 198,817,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,056,508.40 : 730,510,944.84 = 132,558,415.46 : x
  2. Step 2: Convert to fraction form
    487,056,508.40/730,510,944.84 = 132,558,415.46/x
  3. Step 3: Cross multiply
    487,056,508.40x = 730,510,944.84 × 132,558,415.46
  4. Step 4: Simplify right side
    487,056,508.40x = 96,835,373,324,177,856
  5. Step 5: Solve for x
    x = 96,835,373,324,177,856/487,056,508.40
  6. Step 6: Final answer
    x = 198,817,532.78

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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.