Home / 1,419,840,601.20-2,129,760,901.80-499,858,930.80

Finding the Fourth Proportional to 1,419,840,601.20, 2,129,760,901.80 and 499,858,930.80

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Solution

The fourth proportional to 1,419,840,601.20, 2,129,760,901.80 and 499,858,930.80 is: 749,788,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,840,601.20 : 2,129,760,901.80 = 499,858,930.80 : x
  2. Step 2: Convert to fraction form
    1,419,840,601.20/2,129,760,901.80 = 499,858,930.80/x
  3. Step 3: Cross multiply
    1,419,840,601.20x = 2,129,760,901.80 × 499,858,930.80
  4. Step 4: Simplify right side
    1,419,840,601.20x = 1,064,580,007,233,391,744
  5. Step 5: Solve for x
    x = 1,064,580,007,233,391,744/1,419,840,601.20
  6. Step 6: Final answer
    x = 749,788,396.20

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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.