Home / 399,952,152.57-551,934,780.75-223,743,090.56

Finding the Fourth Proportional to 399,952,152.57, 551,934,780.75 and 223,743,090.56

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Solution

The fourth proportional to 399,952,152.57, 551,934,780.75 and 223,743,090.56 is: 308,765,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,952,152.57 : 551,934,780.75 = 223,743,090.56 : x
  2. Step 2: Convert to fraction form
    399,952,152.57/551,934,780.75 = 223,743,090.56/x
  3. Step 3: Cross multiply
    399,952,152.57x = 551,934,780.75 × 223,743,090.56
  4. Step 4: Simplify right side
    399,952,152.57x = 123,491,593,631,442,288
  5. Step 5: Solve for x
    x = 123,491,593,631,442,288/399,952,152.57
  6. Step 6: Final answer
    x = 308,765,918.22

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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.