Home / 576,231,310.89-864,288,796.19-390,676,665.15

Finding the Fourth Proportional to 576,231,310.89, 864,288,796.19 and 390,676,665.15

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Solution

The fourth proportional to 576,231,310.89, 864,288,796.19 and 390,676,665.15 is: 585,975,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,231,310.89 : 864,288,796.19 = 390,676,665.15 : x
  2. Step 2: Convert to fraction form
    576,231,310.89/864,288,796.19 = 390,676,665.15/x
  3. Step 3: Cross multiply
    576,231,310.89x = 864,288,796.19 × 390,676,665.15
  4. Step 4: Simplify right side
    576,231,310.89x = 337,657,464,620,063,808
  5. Step 5: Solve for x
    x = 337,657,464,620,063,808/576,231,310.89
  6. Step 6: Final answer
    x = 585,975,559.19

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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.