Home / 1,526,131,300.80-2,289,364,912.80-490,815,998.40

Finding the Fourth Proportional to 1,526,131,300.80, 2,289,364,912.80 and 490,815,998.40

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Solution

The fourth proportional to 1,526,131,300.80, 2,289,364,912.80 and 490,815,998.40 is: 736,278,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,131,300.80 : 2,289,364,912.80 = 490,815,998.40 : x
  2. Step 2: Convert to fraction form
    1,526,131,300.80/2,289,364,912.80 = 490,815,998.40/x
  3. Step 3: Cross multiply
    1,526,131,300.80x = 2,289,364,912.80 × 490,815,998.40
  4. Step 4: Simplify right side
    1,526,131,300.80x = 1,123,656,925,377,860,992
  5. Step 5: Solve for x
    x = 1,123,656,925,377,860,992/1,526,131,300.80
  6. Step 6: Final answer
    x = 736,278,015.39

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Half scale
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Double scale
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Similar ratio
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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.