Home / 923,542,279.21-1,274,472,593.30-500,152,500.13

Finding the Fourth Proportional to 923,542,279.21, 1,274,472,593.30 and 500,152,500.13

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Solution

The fourth proportional to 923,542,279.21, 1,274,472,593.30 and 500,152,500.13 is: 690,201,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,542,279.21 : 1,274,472,593.30 = 500,152,500.13 : x
  2. Step 2: Convert to fraction form
    923,542,279.21/1,274,472,593.30 = 500,152,500.13/x
  3. Step 3: Cross multiply
    923,542,279.21x = 1,274,472,593.30 × 500,152,500.13
  4. Step 4: Simplify right side
    923,542,279.21x = 637,430,653,890,188,416
  5. Step 5: Solve for x
    x = 637,430,653,890,188,416/923,542,279.21
  6. Step 6: Final answer
    x = 690,201,919.54

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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.