Home / 13,436,960,015.90-20,155,440,023.85-10,171,786,511.90

Finding the Fourth Proportional to 13,436,960,015.90, 20,155,440,023.85 and 10,171,786,511.90

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Solution

The fourth proportional to 13,436,960,015.90, 20,155,440,023.85 and 10,171,786,511.90 is: 15,257,679,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,960,015.90 : 20,155,440,023.85 = 10,171,786,511.90 : x
  2. Step 2: Convert to fraction form
    13,436,960,015.90/20,155,440,023.85 = 10,171,786,511.90/x
  3. Step 3: Cross multiply
    13,436,960,015.90x = 20,155,440,023.85 × 10,171,786,511.90
  4. Step 4: Simplify right side
    13,436,960,015.90x = 205,016,832,976,006,807,552
  5. Step 5: Solve for x
    x = 205,016,832,976,006,807,552/13,436,960,015.90
  6. Step 6: Final answer
    x = 15,257,679,767.85

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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.