Home / 551,145,687.60-826,718,531.40-333,042,301.20

Finding the Fourth Proportional to 551,145,687.60, 826,718,531.40 and 333,042,301.20

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Solution

The fourth proportional to 551,145,687.60, 826,718,531.40 and 333,042,301.20 is: 499,563,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,145,687.60 : 826,718,531.40 = 333,042,301.20 : x
  2. Step 2: Convert to fraction form
    551,145,687.60/826,718,531.40 = 333,042,301.20/x
  3. Step 3: Cross multiply
    551,145,687.60x = 826,718,531.40 × 333,042,301.20
  4. Step 4: Simplify right side
    551,145,687.60x = 275,332,242,142,140,448
  5. Step 5: Solve for x
    x = 275,332,242,142,140,448/551,145,687.60
  6. Step 6: Final answer
    x = 499,563,451.80

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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.