Home / 21,568,559,246.40-32,352,838,869.60-10,521,388,891.20

Finding the Fourth Proportional to 21,568,559,246.40, 32,352,838,869.60 and 10,521,388,891.20

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Solution

The fourth proportional to 21,568,559,246.40, 32,352,838,869.60 and 10,521,388,891.20 is: 15,782,083,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568,559,246.40 : 32,352,838,869.60 = 10,521,388,891.20 : x
  2. Step 2: Convert to fraction form
    21,568,559,246.40/32,352,838,869.60 = 10,521,388,891.20/x
  3. Step 3: Cross multiply
    21,568,559,246.40x = 32,352,838,869.60 × 10,521,388,891.20
  4. Step 4: Simplify right side
    21,568,559,246.40x = 340,396,799,481,392,988,160
  5. Step 5: Solve for x
    x = 340,396,799,481,392,988,160/21,568,559,246.40
  6. Step 6: Final answer
    x = 15,782,083,336.80

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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.