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Finding the Fourth Proportional to 551,168,995.80, 826,753,493.70 and 486,598,914.30

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Solution

The fourth proportional to 551,168,995.80, 826,753,493.70 and 486,598,914.30 is: 729,898,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,168,995.80 : 826,753,493.70 = 486,598,914.30 : x
  2. Step 2: Convert to fraction form
    551,168,995.80/826,753,493.70 = 486,598,914.30/x
  3. Step 3: Cross multiply
    551,168,995.80x = 826,753,493.70 × 486,598,914.30
  4. Step 4: Simplify right side
    551,168,995.80x = 402,297,352,428,151,936
  5. Step 5: Solve for x
    x = 402,297,352,428,151,936/551,168,995.80
  6. Step 6: Final answer
    x = 729,898,371.45

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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.