Home / 923,542,296.12-1,274,472,616.62-500,152,517.04

Finding the Fourth Proportional to 923,542,296.12, 1,274,472,616.62 and 500,152,517.04

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Solution

The fourth proportional to 923,542,296.12, 1,274,472,616.62 and 500,152,517.04 is: 690,201,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,542,296.12 : 1,274,472,616.62 = 500,152,517.04 : x
  2. Step 2: Convert to fraction form
    923,542,296.12/1,274,472,616.62 = 500,152,517.04/x
  3. Step 3: Cross multiply
    923,542,296.12x = 1,274,472,616.62 × 500,152,517.04
  4. Step 4: Simplify right side
    923,542,296.12x = 637,430,687,101,047,936
  5. Step 5: Solve for x
    x = 637,430,687,101,047,936/923,542,296.12
  6. Step 6: Final answer
    x = 690,201,942.87

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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.