Home / 422,426,635.80-582,937,711.20-234,254,450.30

Finding the Fourth Proportional to 422,426,635.80, 582,937,711.20 and 234,254,450.30

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Solution

The fourth proportional to 422,426,635.80, 582,937,711.20 and 234,254,450.30 is: 323,265,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,426,635.80 : 582,937,711.20 = 234,254,450.30 : x
  2. Step 2: Convert to fraction form
    422,426,635.80/582,937,711.20 = 234,254,450.30/x
  3. Step 3: Cross multiply
    422,426,635.80x = 582,937,711.20 × 234,254,450.30
  4. Step 4: Simplify right side
    422,426,635.80x = 136,555,753,093,381,472
  5. Step 5: Solve for x
    x = 136,555,753,093,381,472/422,426,635.80
  6. Step 6: Final answer
    x = 323,265,015.80

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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.