Home / 344,884,086.30-475,868,991.24-198,178,026.78

Finding the Fourth Proportional to 344,884,086.30, 475,868,991.24 and 198,178,026.78

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Solution

The fourth proportional to 344,884,086.30, 475,868,991.24 and 198,178,026.78 is: 273,444,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,884,086.30 : 475,868,991.24 = 198,178,026.78 : x
  2. Step 2: Convert to fraction form
    344,884,086.30/475,868,991.24 = 198,178,026.78/x
  3. Step 3: Cross multiply
    344,884,086.30x = 475,868,991.24 × 198,178,026.78
  4. Step 4: Simplify right side
    344,884,086.30x = 94,306,777,689,732,304
  5. Step 5: Solve for x
    x = 94,306,777,689,732,304/344,884,086.30
  6. Step 6: Final answer
    x = 273,444,851.29

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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.