Home / 832,418,946.20-1,247,846,315.30-279,333,489.12

Finding the Fourth Proportional to 832,418,946.20, 1,247,846,315.30 and 279,333,489.12

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Solution

The fourth proportional to 832,418,946.20, 1,247,846,315.30 and 279,333,489.12 is: 418,737,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,418,946.20 : 1,247,846,315.30 = 279,333,489.12 : x
  2. Step 2: Convert to fraction form
    832,418,946.20/1,247,846,315.30 = 279,333,489.12/x
  3. Step 3: Cross multiply
    832,418,946.20x = 1,247,846,315.30 × 279,333,489.12
  4. Step 4: Simplify right side
    832,418,946.20x = 348,565,265,138,284,608
  5. Step 5: Solve for x
    x = 348,565,265,138,284,608/832,418,946.20
  6. Step 6: Final answer
    x = 418,737,784.30

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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.