Home / 18,981,504,082.60-28,472,256,123.90-12,773,643,346.60

Finding the Fourth Proportional to 18,981,504,082.60, 28,472,256,123.90 and 12,773,643,346.60

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Solution

The fourth proportional to 18,981,504,082.60, 28,472,256,123.90 and 12,773,643,346.60 is: 19,160,465,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,504,082.60 : 28,472,256,123.90 = 12,773,643,346.60 : x
  2. Step 2: Convert to fraction form
    18,981,504,082.60/28,472,256,123.90 = 12,773,643,346.60/x
  3. Step 3: Cross multiply
    18,981,504,082.60x = 28,472,256,123.90 × 12,773,643,346.60
  4. Step 4: Simplify right side
    18,981,504,082.60x = 363,694,444,999,746,387,968
  5. Step 5: Solve for x
    x = 363,694,444,999,746,387,968/18,981,504,082.60
  6. Step 6: Final answer
    x = 19,160,465,019.90

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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.