Home / 725,328,000.30-1,087,992,000.45-522,766,310.70

Finding the Fourth Proportional to 725,328,000.30, 1,087,992,000.45 and 522,766,310.70

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Solution

The fourth proportional to 725,328,000.30, 1,087,992,000.45 and 522,766,310.70 is: 784,149,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,328,000.30 : 1,087,992,000.45 = 522,766,310.70 : x
  2. Step 2: Convert to fraction form
    725,328,000.30/1,087,992,000.45 = 522,766,310.70/x
  3. Step 3: Cross multiply
    725,328,000.30x = 1,087,992,000.45 × 522,766,310.70
  4. Step 4: Simplify right side
    725,328,000.30x = 568,765,564,146,359,232
  5. Step 5: Solve for x
    x = 568,765,564,146,359,232/725,328,000.30
  6. Step 6: Final answer
    x = 784,149,466.05

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1.5x scale

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.