Home / 28,344,192,616.40-42,516,288,924.60-15,283,498,600.40

Finding the Fourth Proportional to 28,344,192,616.40, 42,516,288,924.60 and 15,283,498,600.40

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Solution

The fourth proportional to 28,344,192,616.40, 42,516,288,924.60 and 15,283,498,600.40 is: 22,925,247,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344,192,616.40 : 42,516,288,924.60 = 15,283,498,600.40 : x
  2. Step 2: Convert to fraction form
    28,344,192,616.40/42,516,288,924.60 = 15,283,498,600.40/x
  3. Step 3: Cross multiply
    28,344,192,616.40x = 42,516,288,924.60 × 15,283,498,600.40
  4. Step 4: Simplify right side
    28,344,192,616.40x = 649,797,642,273,326,104,576
  5. Step 5: Solve for x
    x = 649,797,642,273,326,104,576/28,344,192,616.40
  6. Step 6: Final answer
    x = 22,925,247,900.60

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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.