Home / 886,417,815.60-1,329,626,723.40-814,992,145.20

Finding the Fourth Proportional to 886,417,815.60, 1,329,626,723.40 and 814,992,145.20

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Solution

The fourth proportional to 886,417,815.60, 1,329,626,723.40 and 814,992,145.20 is: 1,222,488,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,417,815.60 : 1,329,626,723.40 = 814,992,145.20 : x
  2. Step 2: Convert to fraction form
    886,417,815.60/1,329,626,723.40 = 814,992,145.20/x
  3. Step 3: Cross multiply
    886,417,815.60x = 1,329,626,723.40 × 814,992,145.20
  4. Step 4: Simplify right side
    886,417,815.60x = 1,083,635,335,619,013,120
  5. Step 5: Solve for x
    x = 1,083,635,335,619,013,120/886,417,815.60
  6. Step 6: Final answer
    x = 1,222,488,217.80

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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.