Home / 1,027,693,997.06-1,418,214,139.88-557,795,316.78

Finding the Fourth Proportional to 1,027,693,997.06, 1,418,214,139.88 and 557,795,316.78

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Solution

The fourth proportional to 1,027,693,997.06, 1,418,214,139.88 and 557,795,316.78 is: 769,755,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,693,997.06 : 1,418,214,139.88 = 557,795,316.78 : x
  2. Step 2: Convert to fraction form
    1,027,693,997.06/1,418,214,139.88 = 557,795,316.78/x
  3. Step 3: Cross multiply
    1,027,693,997.06x = 1,418,214,139.88 × 557,795,316.78
  4. Step 4: Simplify right side
    1,027,693,997.06x = 791,073,205,413,450,752
  5. Step 5: Solve for x
    x = 791,073,205,413,450,752/1,027,693,997.06
  6. Step 6: Final answer
    x = 769,755,596.20

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1.5x scale

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.