Home / 399,952,154.06-551,934,782.82-223,743,092.06

Finding the Fourth Proportional to 399,952,154.06, 551,934,782.82 and 223,743,092.06

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Solution

The fourth proportional to 399,952,154.06, 551,934,782.82 and 223,743,092.06 is: 308,765,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,952,154.06 : 551,934,782.82 = 223,743,092.06 : x
  2. Step 2: Convert to fraction form
    399,952,154.06/551,934,782.82 = 223,743,092.06/x
  3. Step 3: Cross multiply
    399,952,154.06x = 551,934,782.82 × 223,743,092.06
  4. Step 4: Simplify right side
    399,952,154.06x = 123,491,594,923,611,376
  5. Step 5: Solve for x
    x = 123,491,594,923,611,376/399,952,154.06
  6. Step 6: Final answer
    x = 308,765,920.30

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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.