Home / 18,866,024,620.68-28,284,126,025.02-9,417,819,402.60

Finding the Fourth Proportional to 18,866,024,620.68, 28,284,126,025.02 and 9,417,819,402.60

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Solution

The fourth proportional to 18,866,024,620.68, 28,284,126,025.02 and 9,417,819,402.60 is: 14,119,285,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,024,620.68 : 28,284,126,025.02 = 9,417,819,402.60 : x
  2. Step 2: Convert to fraction form
    18,866,024,620.68/28,284,126,025.02 = 9,417,819,402.60/x
  3. Step 3: Cross multiply
    18,866,024,620.68x = 28,284,126,025.02 × 9,417,819,402.60
  4. Step 4: Simplify right side
    18,866,024,620.68x = 266,374,790,864,016,998,400
  5. Step 5: Solve for x
    x = 266,374,790,864,016,998,400/18,866,024,620.68
  6. Step 6: Final answer
    x = 14,119,285,658.73

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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.