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Finding the Fourth Proportional to 404,491,448.86, 558,039,369.47 and 234,916,818.84

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Solution

The fourth proportional to 404,491,448.86, 558,039,369.47 and 234,916,818.84 is: 324,092,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,491,448.86 : 558,039,369.47 = 234,916,818.84 : x
  2. Step 2: Convert to fraction form
    404,491,448.86/558,039,369.47 = 234,916,818.84/x
  3. Step 3: Cross multiply
    404,491,448.86x = 558,039,369.47 × 234,916,818.84
  4. Step 4: Simplify right side
    404,491,448.86x = 131,092,833,462,197,248
  5. Step 5: Solve for x
    x = 131,092,833,462,197,248/404,491,448.86
  6. Step 6: Final answer
    x = 324,092,966.20

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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.