Home / 725,309,711.60-1,000,930,791.64-412,061,114.40

Finding the Fourth Proportional to 725,309,711.60, 1,000,930,791.64 and 412,061,114.40

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Solution

The fourth proportional to 725,309,711.60, 1,000,930,791.64 and 412,061,114.40 is: 568,646,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,711.60 : 1,000,930,791.64 = 412,061,114.40 : x
  2. Step 2: Convert to fraction form
    725,309,711.60/1,000,930,791.64 = 412,061,114.40/x
  3. Step 3: Cross multiply
    725,309,711.60x = 1,000,930,791.64 × 412,061,114.40
  4. Step 4: Simplify right side
    725,309,711.60x = 412,444,657,440,452,544
  5. Step 5: Solve for x
    x = 412,444,657,440,452,544/725,309,711.60
  6. Step 6: Final answer
    x = 568,646,263.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.