Home / 437,582,472.15-656,373,650.81-178,797,424.80

Finding the Fourth Proportional to 437,582,472.15, 656,373,650.81 and 178,797,424.80

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Solution

The fourth proportional to 437,582,472.15, 656,373,650.81 and 178,797,424.80 is: 268,196,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,582,472.15 : 656,373,650.81 = 178,797,424.80 : x
  2. Step 2: Convert to fraction form
    437,582,472.15/656,373,650.81 = 178,797,424.80/x
  3. Step 3: Cross multiply
    437,582,472.15x = 656,373,650.81 × 178,797,424.80
  4. Step 4: Simplify right side
    437,582,472.15x = 117,357,918,470,508,448
  5. Step 5: Solve for x
    x = 117,357,918,470,508,448/437,582,472.15
  6. Step 6: Final answer
    x = 268,196,113.74

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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.