Home / 382,451,911.80-573,677,867.70-299,228,251.20

Finding the Fourth Proportional to 382,451,911.80, 573,677,867.70 and 299,228,251.20

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Solution

The fourth proportional to 382,451,911.80, 573,677,867.70 and 299,228,251.20 is: 448,842,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,451,911.80 : 573,677,867.70 = 299,228,251.20 : x
  2. Step 2: Convert to fraction form
    382,451,911.80/573,677,867.70 = 299,228,251.20/x
  3. Step 3: Cross multiply
    382,451,911.80x = 573,677,867.70 × 299,228,251.20
  4. Step 4: Simplify right side
    382,451,911.80x = 171,660,625,104,015,968
  5. Step 5: Solve for x
    x = 171,660,625,104,015,968/382,451,911.80
  6. Step 6: Final answer
    x = 448,842,376.80

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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.