Home / 1,027,486,648.98-1,417,932,490.05-557,587,971.22

Finding the Fourth Proportional to 1,027,486,648.98, 1,417,932,490.05 and 557,587,971.22

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Solution

The fourth proportional to 1,027,486,648.98, 1,417,932,490.05 and 557,587,971.22 is: 769,471,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,486,648.98 : 1,417,932,490.05 = 557,587,971.22 : x
  2. Step 2: Convert to fraction form
    1,027,486,648.98/1,417,932,490.05 = 557,587,971.22/x
  3. Step 3: Cross multiply
    1,027,486,648.98x = 1,417,932,490.05 × 557,587,971.22
  4. Step 4: Simplify right side
    1,027,486,648.98x = 790,622,100,453,902,336
  5. Step 5: Solve for x
    x = 790,622,100,453,902,336/1,027,486,648.98
  6. Step 6: Final answer
    x = 769,471,896.53

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Double scale
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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.