Home / 728,384,740.20-1,092,577,110.30-651,857,236.20

Finding the Fourth Proportional to 728,384,740.20, 1,092,577,110.30 and 651,857,236.20

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Solution

The fourth proportional to 728,384,740.20, 1,092,577,110.30 and 651,857,236.20 is: 977,785,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,384,740.20 : 1,092,577,110.30 = 651,857,236.20 : x
  2. Step 2: Convert to fraction form
    728,384,740.20/1,092,577,110.30 = 651,857,236.20/x
  3. Step 3: Cross multiply
    728,384,740.20x = 1,092,577,110.30 × 651,857,236.20
  4. Step 4: Simplify right side
    728,384,740.20x = 712,204,295,455,540,608
  5. Step 5: Solve for x
    x = 712,204,295,455,540,608/728,384,740.20
  6. Step 6: Final answer
    x = 977,785,854.30

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Double scale
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1.5x scale

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.