Home / 13,649,904,178.80-20,474,856,268.20-12,071,736,985.20

Finding the Fourth Proportional to 13,649,904,178.80, 20,474,856,268.20 and 12,071,736,985.20

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Solution

The fourth proportional to 13,649,904,178.80, 20,474,856,268.20 and 12,071,736,985.20 is: 18,107,605,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,904,178.80 : 20,474,856,268.20 = 12,071,736,985.20 : x
  2. Step 2: Convert to fraction form
    13,649,904,178.80/20,474,856,268.20 = 12,071,736,985.20/x
  3. Step 3: Cross multiply
    13,649,904,178.80x = 20,474,856,268.20 × 12,071,736,985.20
  4. Step 4: Simplify right side
    13,649,904,178.80x = 247,167,079,679,484,002,304
  5. Step 5: Solve for x
    x = 247,167,079,679,484,002,304/13,649,904,178.80
  6. Step 6: Final answer
    x = 18,107,605,477.80

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Double scale
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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.