Home / 13,436,930,001.80-20,155,395,002.70-12,947,153,976.20

Finding the Fourth Proportional to 13,436,930,001.80, 20,155,395,002.70 and 12,947,153,976.20

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Solution

The fourth proportional to 13,436,930,001.80, 20,155,395,002.70 and 12,947,153,976.20 is: 19,420,730,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,930,001.80 : 20,155,395,002.70 = 12,947,153,976.20 : x
  2. Step 2: Convert to fraction form
    13,436,930,001.80/20,155,395,002.70 = 12,947,153,976.20/x
  3. Step 3: Cross multiply
    13,436,930,001.80x = 20,155,395,002.70 × 12,947,153,976.20
  4. Step 4: Simplify right side
    13,436,930,001.80x = 260,955,002,551,088,939,008
  5. Step 5: Solve for x
    x = 260,955,002,551,088,939,008/13,436,930,001.80
  6. Step 6: Final answer
    x = 19,420,730,964.30

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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.