Home / 576,231,311.89-864,288,797.68-390,676,666.15

Finding the Fourth Proportional to 576,231,311.89, 864,288,797.68 and 390,676,666.15

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Solution

The fourth proportional to 576,231,311.89, 864,288,797.68 and 390,676,666.15 is: 585,975,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,231,311.89 : 864,288,797.68 = 390,676,666.15 : x
  2. Step 2: Convert to fraction form
    576,231,311.89/864,288,797.68 = 390,676,666.15/x
  3. Step 3: Cross multiply
    576,231,311.89x = 864,288,797.68 × 390,676,666.15
  4. Step 4: Simplify right side
    576,231,311.89x = 337,657,466,068,414,208
  5. Step 5: Solve for x
    x = 337,657,466,068,414,208/576,231,311.89
  6. Step 6: Final answer
    x = 585,975,560.68

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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.