Home / 419,906,077.40-629,859,116.10-304,264,515.80

Finding the Fourth Proportional to 419,906,077.40, 629,859,116.10 and 304,264,515.80

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Solution

The fourth proportional to 419,906,077.40, 629,859,116.10 and 304,264,515.80 is: 456,396,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,077.40 : 629,859,116.10 = 304,264,515.80 : x
  2. Step 2: Convert to fraction form
    419,906,077.40/629,859,116.10 = 304,264,515.80/x
  3. Step 3: Cross multiply
    419,906,077.40x = 629,859,116.10 × 304,264,515.80
  4. Step 4: Simplify right side
    419,906,077.40x = 191,643,778,982,382,496
  5. Step 5: Solve for x
    x = 191,643,778,982,382,496/419,906,077.40
  6. Step 6: Final answer
    x = 456,396,773.70

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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.