Home / 1,438,029,354.49-2,155,137,171.85-738,493,230.85

Finding the Fourth Proportional to 1,438,029,354.49, 2,155,137,171.85 and 738,493,230.85

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Solution

The fourth proportional to 1,438,029,354.49, 2,155,137,171.85 and 738,493,230.85 is: 1,106,760,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,029,354.49 : 2,155,137,171.85 = 738,493,230.85 : x
  2. Step 2: Convert to fraction form
    1,438,029,354.49/2,155,137,171.85 = 738,493,230.85/x
  3. Step 3: Cross multiply
    1,438,029,354.49x = 2,155,137,171.85 × 738,493,230.85
  4. Step 4: Simplify right side
    1,438,029,354.49x = 1,591,554,212,959,936,512
  5. Step 5: Solve for x
    x = 1,591,554,212,959,936,512/1,438,029,354.49
  6. Step 6: Final answer
    x = 1,106,760,587.32

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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.