Home / 870,984,067.40-1,306,476,101.10-580,746,422.60

Finding the Fourth Proportional to 870,984,067.40, 1,306,476,101.10 and 580,746,422.60

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Solution

The fourth proportional to 870,984,067.40, 1,306,476,101.10 and 580,746,422.60 is: 871,119,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,984,067.40 : 1,306,476,101.10 = 580,746,422.60 : x
  2. Step 2: Convert to fraction form
    870,984,067.40/1,306,476,101.10 = 580,746,422.60/x
  3. Step 3: Cross multiply
    870,984,067.40x = 1,306,476,101.10 × 580,746,422.60
  4. Step 4: Simplify right side
    870,984,067.40x = 758,731,321,926,220,928
  5. Step 5: Solve for x
    x = 758,731,321,926,220,928/870,984,067.40
  6. Step 6: Final answer
    x = 871,119,633.90

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Double scale
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Similar ratio
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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.