Home / 356,264,758.29-491,645,358.63-197,494,478.92

Finding the Fourth Proportional to 356,264,758.29, 491,645,358.63 and 197,494,478.92

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Solution

The fourth proportional to 356,264,758.29, 491,645,358.63 and 197,494,478.92 is: 272,542,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,264,758.29 : 491,645,358.63 = 197,494,478.92 : x
  2. Step 2: Convert to fraction form
    356,264,758.29/491,645,358.63 = 197,494,478.92/x
  3. Step 3: Cross multiply
    356,264,758.29x = 491,645,358.63 × 197,494,478.92
  4. Step 4: Simplify right side
    356,264,758.29x = 97,097,243,915,942,320
  5. Step 5: Solve for x
    x = 97,097,243,915,942,320/356,264,758.29
  6. Step 6: Final answer
    x = 272,542,376.58

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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.