Home / 487,379,256.76-731,092,506.90-159,825,793.24

Finding the Fourth Proportional to 487,379,256.76, 731,092,506.90 and 159,825,793.24

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Solution

The fourth proportional to 487,379,256.76, 731,092,506.90 and 159,825,793.24 is: 239,746,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,379,256.76 : 731,092,506.90 = 159,825,793.24 : x
  2. Step 2: Convert to fraction form
    487,379,256.76/731,092,506.90 = 159,825,793.24/x
  3. Step 3: Cross multiply
    487,379,256.76x = 731,092,506.90 × 159,825,793.24
  4. Step 4: Simplify right side
    487,379,256.76x = 116,847,439,847,112,672
  5. Step 5: Solve for x
    x = 116,847,439,847,112,672/487,379,256.76
  6. Step 6: Final answer
    x = 239,746,436.12

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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.