Home / 3,545,856,079.90-5,318,784,119.85-2,149,087,414.30

Finding the Fourth Proportional to 3,545,856,079.90, 5,318,784,119.85 and 2,149,087,414.30

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Solution

The fourth proportional to 3,545,856,079.90, 5,318,784,119.85 and 2,149,087,414.30 is: 3,223,631,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,856,079.90 : 5,318,784,119.85 = 2,149,087,414.30 : x
  2. Step 2: Convert to fraction form
    3,545,856,079.90/5,318,784,119.85 = 2,149,087,414.30/x
  3. Step 3: Cross multiply
    3,545,856,079.90x = 5,318,784,119.85 × 2,149,087,414.30
  4. Step 4: Simplify right side
    3,545,856,079.90x = 11,430,532,011,348,338,688
  5. Step 5: Solve for x
    x = 11,430,532,011,348,338,688/3,545,856,079.90
  6. Step 6: Final answer
    x = 3,223,631,121.45

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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.