Home / 905,052,847.28-1,356,846,989.51-282,948,012.68

Finding the Fourth Proportional to 905,052,847.28, 1,356,846,989.51 and 282,948,012.68

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Solution

The fourth proportional to 905,052,847.28, 1,356,846,989.51 and 282,948,012.68 is: 424,193,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,052,847.28 : 1,356,846,989.51 = 282,948,012.68 : x
  2. Step 2: Convert to fraction form
    905,052,847.28/1,356,846,989.51 = 282,948,012.68/x
  3. Step 3: Cross multiply
    905,052,847.28x = 1,356,846,989.51 × 282,948,012.68
  4. Step 4: Simplify right side
    905,052,847.28x = 383,917,159,192,695,296
  5. Step 5: Solve for x
    x = 383,917,159,192,695,296/905,052,847.28
  6. Step 6: Final answer
    x = 424,193,084.80

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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.