Home / 20,101,032,015.40-30,151,548,023.10-5,379,053,433.40

Finding the Fourth Proportional to 20,101,032,015.40, 30,151,548,023.10 and 5,379,053,433.40

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Solution

The fourth proportional to 20,101,032,015.40, 30,151,548,023.10 and 5,379,053,433.40 is: 8,068,580,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,032,015.40 : 30,151,548,023.10 = 5,379,053,433.40 : x
  2. Step 2: Convert to fraction form
    20,101,032,015.40/30,151,548,023.10 = 5,379,053,433.40/x
  3. Step 3: Cross multiply
    20,101,032,015.40x = 30,151,548,023.10 × 5,379,053,433.40
  4. Step 4: Simplify right side
    20,101,032,015.40x = 162,186,787,915,981,029,376
  5. Step 5: Solve for x
    x = 162,186,787,915,981,029,376/20,101,032,015.40
  6. Step 6: Final answer
    x = 8,068,580,150.10

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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.