Home / 1,136,693,694.20-1,705,040,541.30-646,917,668.60

Finding the Fourth Proportional to 1,136,693,694.20, 1,705,040,541.30 and 646,917,668.60

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Solution

The fourth proportional to 1,136,693,694.20, 1,705,040,541.30 and 646,917,668.60 is: 970,376,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,694.20 : 1,705,040,541.30 = 646,917,668.60 : x
  2. Step 2: Convert to fraction form
    1,136,693,694.20/1,705,040,541.30 = 646,917,668.60/x
  3. Step 3: Cross multiply
    1,136,693,694.20x = 1,705,040,541.30 × 646,917,668.60
  4. Step 4: Simplify right side
    1,136,693,694.20x = 1,103,020,851,846,278,016
  5. Step 5: Solve for x
    x = 1,103,020,851,846,278,016/1,136,693,694.20
  6. Step 6: Final answer
    x = 970,376,502.90

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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.