Home / 398,611,339.20-597,917,008.80-223,554,673.80

Finding the Fourth Proportional to 398,611,339.20, 597,917,008.80 and 223,554,673.80

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Solution

The fourth proportional to 398,611,339.20, 597,917,008.80 and 223,554,673.80 is: 335,332,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,611,339.20 : 597,917,008.80 = 223,554,673.80 : x
  2. Step 2: Convert to fraction form
    398,611,339.20/597,917,008.80 = 223,554,673.80/x
  3. Step 3: Cross multiply
    398,611,339.20x = 597,917,008.80 × 223,554,673.80
  4. Step 4: Simplify right side
    398,611,339.20x = 133,667,141,861,755,728
  5. Step 5: Solve for x
    x = 133,667,141,861,755,728/398,611,339.20
  6. Step 6: Final answer
    x = 335,332,010.70

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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.