Home / 382,451,912.80-573,677,869.20-299,228,252.20

Finding the Fourth Proportional to 382,451,912.80, 573,677,869.20 and 299,228,252.20

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Solution

The fourth proportional to 382,451,912.80, 573,677,869.20 and 299,228,252.20 is: 448,842,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,451,912.80 : 573,677,869.20 = 299,228,252.20 : x
  2. Step 2: Convert to fraction form
    382,451,912.80/573,677,869.20 = 299,228,252.20/x
  3. Step 3: Cross multiply
    382,451,912.80x = 573,677,869.20 × 299,228,252.20
  4. Step 4: Simplify right side
    382,451,912.80x = 171,660,626,126,536,224
  5. Step 5: Solve for x
    x = 171,660,626,126,536,224/382,451,912.80
  6. Step 6: Final answer
    x = 448,842,378.30

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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.