Home / 551,445,446.80-826,034,429.40-379,116,845.20

Finding the Fourth Proportional to 551,445,446.80, 826,034,429.40 and 379,116,845.20

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Solution

The fourth proportional to 551,445,446.80, 826,034,429.40 and 379,116,845.20 is: 567,895,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445,446.80 : 826,034,429.40 = 379,116,845.20 : x
  2. Step 2: Convert to fraction form
    551,445,446.80/826,034,429.40 = 379,116,845.20/x
  3. Step 3: Cross multiply
    551,445,446.80x = 826,034,429.40 × 379,116,845.20
  4. Step 4: Simplify right side
    551,445,446.80x = 313,163,566,900,710,080
  5. Step 5: Solve for x
    x = 313,163,566,900,710,080/551,445,446.80
  6. Step 6: Final answer
    x = 567,895,824.91

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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.