Home / 394,736,673.43-544,715,028.37-216,086,001.58

Finding the Fourth Proportional to 394,736,673.43, 544,715,028.37 and 216,086,001.58

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Solution

The fourth proportional to 394,736,673.43, 544,715,028.37 and 216,086,001.58 is: 298,186,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,736,673.43 : 544,715,028.37 = 216,086,001.58 : x
  2. Step 2: Convert to fraction form
    394,736,673.43/544,715,028.37 = 216,086,001.58/x
  3. Step 3: Cross multiply
    394,736,673.43x = 544,715,028.37 × 216,086,001.58
  4. Step 4: Simplify right side
    394,736,673.43x = 117,705,292,478,369,680
  5. Step 5: Solve for x
    x = 117,705,292,478,369,680/394,736,673.43
  6. Step 6: Final answer
    x = 298,186,868.37

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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.