Home / 8,381,657,334.80-12,572,486,002.20-2,486,429,123.60

Finding the Fourth Proportional to 8,381,657,334.80, 12,572,486,002.20 and 2,486,429,123.60

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Solution

The fourth proportional to 8,381,657,334.80, 12,572,486,002.20 and 2,486,429,123.60 is: 3,729,643,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,657,334.80 : 12,572,486,002.20 = 2,486,429,123.60 : x
  2. Step 2: Convert to fraction form
    8,381,657,334.80/12,572,486,002.20 = 2,486,429,123.60/x
  3. Step 3: Cross multiply
    8,381,657,334.80x = 12,572,486,002.20 × 2,486,429,123.60
  4. Step 4: Simplify right side
    8,381,657,334.80x = 31,260,595,351,923,412,992
  5. Step 5: Solve for x
    x = 31,260,595,351,923,412,992/8,381,657,334.80
  6. Step 6: Final answer
    x = 3,729,643,685.40

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Double scale
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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.