Home / 551,221,427.40-826,832,141.10-476,394,534.60

Finding the Fourth Proportional to 551,221,427.40, 826,832,141.10 and 476,394,534.60

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Solution

The fourth proportional to 551,221,427.40, 826,832,141.10 and 476,394,534.60 is: 714,591,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,221,427.40 : 826,832,141.10 = 476,394,534.60 : x
  2. Step 2: Convert to fraction form
    551,221,427.40/826,832,141.10 = 476,394,534.60/x
  3. Step 3: Cross multiply
    551,221,427.40x = 826,832,141.10 × 476,394,534.60
  4. Step 4: Simplify right side
    551,221,427.40x = 393,898,313,051,656,064
  5. Step 5: Solve for x
    x = 393,898,313,051,656,064/551,221,427.40
  6. Step 6: Final answer
    x = 714,591,801.90

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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.