Home / 523,346,502.24-722,222,949.33-288,405,592.38

Finding the Fourth Proportional to 523,346,502.24, 722,222,949.33 and 288,405,592.38

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Solution

The fourth proportional to 523,346,502.24, 722,222,949.33 and 288,405,592.38 is: 398,002,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,346,502.24 : 722,222,949.33 = 288,405,592.38 : x
  2. Step 2: Convert to fraction form
    523,346,502.24/722,222,949.33 = 288,405,592.38/x
  3. Step 3: Cross multiply
    523,346,502.24x = 722,222,949.33 × 288,405,592.38
  4. Step 4: Simplify right side
    523,346,502.24x = 208,293,137,531,949,376
  5. Step 5: Solve for x
    x = 208,293,137,531,949,376/523,346,502.24
  6. Step 6: Final answer
    x = 398,002,349.57

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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.