Home / 551,169,045.80-826,753,568.70-486,598,964.30

Finding the Fourth Proportional to 551,169,045.80, 826,753,568.70 and 486,598,964.30

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Solution

The fourth proportional to 551,169,045.80, 826,753,568.70 and 486,598,964.30 is: 729,898,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,169,045.80 : 826,753,568.70 = 486,598,964.30 : x
  2. Step 2: Convert to fraction form
    551,169,045.80/826,753,568.70 = 486,598,964.30/x
  3. Step 3: Cross multiply
    551,169,045.80x = 826,753,568.70 × 486,598,964.30
  4. Step 4: Simplify right side
    551,169,045.80x = 402,297,430,260,748,928
  5. Step 5: Solve for x
    x = 402,297,430,260,748,928/551,169,045.80
  6. Step 6: Final answer
    x = 729,898,446.45

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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.