Home / 980,311,791.52-1,352,813,553.12-534,280,431.52

Finding the Fourth Proportional to 980,311,791.52, 1,352,813,553.12 and 534,280,431.52

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Solution

The fourth proportional to 980,311,791.52, 1,352,813,553.12 and 534,280,431.52 is: 737,297,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,311,791.52 : 1,352,813,553.12 = 534,280,431.52 : x
  2. Step 2: Convert to fraction form
    980,311,791.52/1,352,813,553.12 = 534,280,431.52/x
  3. Step 3: Cross multiply
    980,311,791.52x = 1,352,813,553.12 × 534,280,431.52
  4. Step 4: Simplify right side
    980,311,791.52x = 722,781,808,927,057,920
  5. Step 5: Solve for x
    x = 722,781,808,927,057,920/980,311,791.52
  6. Step 6: Final answer
    x = 737,297,883.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.