Home / 379,753,561.16-568,893,287.85-279,861,787.36

Finding the Fourth Proportional to 379,753,561.16, 568,893,287.85 and 279,861,787.36

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Solution

The fourth proportional to 379,753,561.16, 568,893,287.85 and 279,861,787.36 is: 419,249,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,753,561.16 : 568,893,287.85 = 279,861,787.36 : x
  2. Step 2: Convert to fraction form
    379,753,561.16/568,893,287.85 = 279,861,787.36/x
  3. Step 3: Cross multiply
    379,753,561.16x = 568,893,287.85 × 279,861,787.36
  4. Step 4: Simplify right side
    379,753,561.16x = 159,211,492,354,808,000
  5. Step 5: Solve for x
    x = 159,211,492,354,808,000/379,753,561.16
  6. Step 6: Final answer
    x = 419,249,504.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.