Home / 672,015,012.80-1,008,022,519.20-488,349,003.20

Finding the Fourth Proportional to 672,015,012.80, 1,008,022,519.20 and 488,349,003.20

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Solution

The fourth proportional to 672,015,012.80, 1,008,022,519.20 and 488,349,003.20 is: 732,523,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,015,012.80 : 1,008,022,519.20 = 488,349,003.20 : x
  2. Step 2: Convert to fraction form
    672,015,012.80/1,008,022,519.20 = 488,349,003.20/x
  3. Step 3: Cross multiply
    672,015,012.80x = 1,008,022,519.20 × 488,349,003.20
  4. Step 4: Simplify right side
    672,015,012.80x = 492,266,792,454,472,896
  5. Step 5: Solve for x
    x = 492,266,792,454,472,896/672,015,012.80
  6. Step 6: Final answer
    x = 732,523,504.80

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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.