Home / 1,379,743,275.74-1,904,053,456.31-785,027,747.75

Finding the Fourth Proportional to 1,379,743,275.74, 1,904,053,456.31 and 785,027,747.75

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Solution

The fourth proportional to 1,379,743,275.74, 1,904,053,456.31 and 785,027,747.75 is: 1,083,342,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,743,275.74 : 1,904,053,456.31 = 785,027,747.75 : x
  2. Step 2: Convert to fraction form
    1,379,743,275.74/1,904,053,456.31 = 785,027,747.75/x
  3. Step 3: Cross multiply
    1,379,743,275.74x = 1,904,053,456.31 × 785,027,747.75
  4. Step 4: Simplify right side
    1,379,743,275.74x = 1,494,734,796,389,197,056
  5. Step 5: Solve for x
    x = 1,494,734,796,389,197,056/1,379,743,275.74
  6. Step 6: Final answer
    x = 1,083,342,693.29

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Double scale
Find fourth proportional to 1,379,743,276.74, 1,904,053,457.69 and 785,027,748.75
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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.