Home / 473,211,000.30-709,816,500.45-392,589,432.30

Finding the Fourth Proportional to 473,211,000.30, 709,816,500.45 and 392,589,432.30

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Solution

The fourth proportional to 473,211,000.30, 709,816,500.45 and 392,589,432.30 is: 588,884,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,211,000.30 : 709,816,500.45 = 392,589,432.30 : x
  2. Step 2: Convert to fraction form
    473,211,000.30/709,816,500.45 = 392,589,432.30/x
  3. Step 3: Cross multiply
    473,211,000.30x = 709,816,500.45 × 392,589,432.30
  4. Step 4: Simplify right side
    473,211,000.30x = 278,666,456,948,838,208
  5. Step 5: Solve for x
    x = 278,666,456,948,838,208/473,211,000.30
  6. Step 6: Final answer
    x = 588,884,148.45

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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.