Home / 13,971,548,006.40-20,957,322,009.60-8,392,692,964.80

Finding the Fourth Proportional to 13,971,548,006.40, 20,957,322,009.60 and 8,392,692,964.80

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Solution

The fourth proportional to 13,971,548,006.40, 20,957,322,009.60 and 8,392,692,964.80 is: 12,589,039,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,548,006.40 : 20,957,322,009.60 = 8,392,692,964.80 : x
  2. Step 2: Convert to fraction form
    13,971,548,006.40/20,957,322,009.60 = 8,392,692,964.80/x
  3. Step 3: Cross multiply
    13,971,548,006.40x = 20,957,322,009.60 × 8,392,692,964.80
  4. Step 4: Simplify right side
    13,971,548,006.40x = 175,888,368,991,018,123,264
  5. Step 5: Solve for x
    x = 175,888,368,991,018,123,264/13,971,548,006.40
  6. Step 6: Final answer
    x = 12,589,039,447.20

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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.