Home / 21,555,072,511.20-32,332,608,766.80-9,945,566,719.20

Finding the Fourth Proportional to 21,555,072,511.20, 32,332,608,766.80 and 9,945,566,719.20

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Solution

The fourth proportional to 21,555,072,511.20, 32,332,608,766.80 and 9,945,566,719.20 is: 14,918,350,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,072,511.20 : 32,332,608,766.80 = 9,945,566,719.20 : x
  2. Step 2: Convert to fraction form
    21,555,072,511.20/32,332,608,766.80 = 9,945,566,719.20/x
  3. Step 3: Cross multiply
    21,555,072,511.20x = 32,332,608,766.80 × 9,945,566,719.20
  4. Step 4: Simplify right side
    21,555,072,511.20x = 321,566,117,696,000,229,376
  5. Step 5: Solve for x
    x = 321,566,117,696,000,229,376/21,555,072,511.20
  6. Step 6: Final answer
    x = 14,918,350,078.80

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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.