Home / 711,932,492.43-982,466,697.65-394,413,371.37

Finding the Fourth Proportional to 711,932,492.43, 982,466,697.65 and 394,413,371.37

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Solution

The fourth proportional to 711,932,492.43, 982,466,697.65 and 394,413,371.37 is: 544,290,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,932,492.43 : 982,466,697.65 = 394,413,371.37 : x
  2. Step 2: Convert to fraction form
    711,932,492.43/982,466,697.65 = 394,413,371.37/x
  3. Step 3: Cross multiply
    711,932,492.43x = 982,466,697.65 × 394,413,371.37
  4. Step 4: Simplify right side
    711,932,492.43x = 387,498,002,476,914,880
  5. Step 5: Solve for x
    x = 387,498,002,476,914,880/711,932,492.43
  6. Step 6: Final answer
    x = 544,290,373.87

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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.