Home / 13,856,840,419.20-20,785,260,628.80-8,530,526,140.80

Finding the Fourth Proportional to 13,856,840,419.20, 20,785,260,628.80 and 8,530,526,140.80

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Solution

The fourth proportional to 13,856,840,419.20, 20,785,260,628.80 and 8,530,526,140.80 is: 12,795,789,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,840,419.20 : 20,785,260,628.80 = 8,530,526,140.80 : x
  2. Step 2: Convert to fraction form
    13,856,840,419.20/20,785,260,628.80 = 8,530,526,140.80/x
  3. Step 3: Cross multiply
    13,856,840,419.20x = 20,785,260,628.80 × 8,530,526,140.80
  4. Step 4: Simplify right side
    13,856,840,419.20x = 177,309,209,137,319,444,480
  5. Step 5: Solve for x
    x = 177,309,209,137,319,444,480/13,856,840,419.20
  6. Step 6: Final answer
    x = 12,795,789,211.20

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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.