Home / 1,438,029,354.52-2,155,137,171.90-738,493,230.88

Finding the Fourth Proportional to 1,438,029,354.52, 2,155,137,171.90 and 738,493,230.88

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Solution

The fourth proportional to 1,438,029,354.52, 2,155,137,171.90 and 738,493,230.88 is: 1,106,760,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,029,354.52 : 2,155,137,171.90 = 738,493,230.88 : x
  2. Step 2: Convert to fraction form
    1,438,029,354.52/2,155,137,171.90 = 738,493,230.88/x
  3. Step 3: Cross multiply
    1,438,029,354.52x = 2,155,137,171.90 × 738,493,230.88
  4. Step 4: Simplify right side
    1,438,029,354.52x = 1,591,554,213,062,324,480
  5. Step 5: Solve for x
    x = 1,591,554,213,062,324,480/1,438,029,354.52
  6. Step 6: Final answer
    x = 1,106,760,587.37

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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.