Home / 20,226,746,900.20-30,319,713,015.90-9,193,181,434.60

Finding the Fourth Proportional to 20,226,746,900.20, 30,319,713,015.90 and 9,193,181,434.60

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Solution

The fourth proportional to 20,226,746,900.20, 30,319,713,015.90 and 9,193,181,434.60 is: 13,780,496,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,746,900.20 : 30,319,713,015.90 = 9,193,181,434.60 : x
  2. Step 2: Convert to fraction form
    20,226,746,900.20/30,319,713,015.90 = 9,193,181,434.60/x
  3. Step 3: Cross multiply
    20,226,746,900.20x = 30,319,713,015.90 × 9,193,181,434.60
  4. Step 4: Simplify right side
    20,226,746,900.20x = 278,734,622,800,171,892,736
  5. Step 5: Solve for x
    x = 278,734,622,800,171,892,736/20,226,746,900.20
  6. Step 6: Final answer
    x = 13,780,496,892.33

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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.