Home / 382,477,008.30-573,715,512.45-123,877,817.70

Finding the Fourth Proportional to 382,477,008.30, 573,715,512.45 and 123,877,817.70

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Solution

The fourth proportional to 382,477,008.30, 573,715,512.45 and 123,877,817.70 is: 185,816,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,477,008.30 : 573,715,512.45 = 123,877,817.70 : x
  2. Step 2: Convert to fraction form
    382,477,008.30/573,715,512.45 = 123,877,817.70/x
  3. Step 3: Cross multiply
    382,477,008.30x = 573,715,512.45 × 123,877,817.70
  4. Step 4: Simplify right side
    382,477,008.30x = 71,070,625,662,943,184
  5. Step 5: Solve for x
    x = 71,070,625,662,943,184/382,477,008.30
  6. Step 6: Final answer
    x = 185,816,726.55

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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.