Home / 783,000,870.33-1,080,276,767.30-443,872,988.15

Finding the Fourth Proportional to 783,000,870.33, 1,080,276,767.30 and 443,872,988.15

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Solution

The fourth proportional to 783,000,870.33, 1,080,276,767.30 and 443,872,988.15 is: 612,394,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,000,870.33 : 1,080,276,767.30 = 443,872,988.15 : x
  2. Step 2: Convert to fraction form
    783,000,870.33/1,080,276,767.30 = 443,872,988.15/x
  3. Step 3: Cross multiply
    783,000,870.33x = 1,080,276,767.30 × 443,872,988.15
  4. Step 4: Simplify right side
    783,000,870.33x = 479,505,676,728,253,824
  5. Step 5: Solve for x
    x = 479,505,676,728,253,824/783,000,870.33
  6. Step 6: Final answer
    x = 612,394,819.59

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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.