Home / 12,589,344,004.60-18,884,016,006.90-3,864,074,807.80

Finding the Fourth Proportional to 12,589,344,004.60, 18,884,016,006.90 and 3,864,074,807.80

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Solution

The fourth proportional to 12,589,344,004.60, 18,884,016,006.90 and 3,864,074,807.80 is: 5,796,112,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,344,004.60 : 18,884,016,006.90 = 3,864,074,807.80 : x
  2. Step 2: Convert to fraction form
    12,589,344,004.60/18,884,016,006.90 = 3,864,074,807.80/x
  3. Step 3: Cross multiply
    12,589,344,004.60x = 18,884,016,006.90 × 3,864,074,807.80
  4. Step 4: Simplify right side
    12,589,344,004.60x = 72,969,250,522,354,253,824
  5. Step 5: Solve for x
    x = 72,969,250,522,354,253,824/12,589,344,004.60
  6. Step 6: Final answer
    x = 5,796,112,211.70

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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.