Home / 18,679,340,674.48-25,778,068,336.56-10,221,520,932.40

Finding the Fourth Proportional to 18,679,340,674.48, 25,778,068,336.56 and 10,221,520,932.40

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Solution

The fourth proportional to 18,679,340,674.48, 25,778,068,336.56 and 10,221,520,932.40 is: 14,106,015,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,340,674.48 : 25,778,068,336.56 = 10,221,520,932.40 : x
  2. Step 2: Convert to fraction form
    18,679,340,674.48/25,778,068,336.56 = 10,221,520,932.40/x
  3. Step 3: Cross multiply
    18,679,340,674.48x = 25,778,068,336.56 × 10,221,520,932.40
  4. Step 4: Simplify right side
    18,679,340,674.48x = 263,491,065,098,985,701,376
  5. Step 5: Solve for x
    x = 263,491,065,098,985,701,376/18,679,340,674.48
  6. Step 6: Final answer
    x = 14,106,015,286.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.