Home / 1,027,686,247.12-1,418,208,576.42-557,787,738.16

Finding the Fourth Proportional to 1,027,686,247.12, 1,418,208,576.42 and 557,787,738.16

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Solution

The fourth proportional to 1,027,686,247.12, 1,418,208,576.42 and 557,787,738.16 is: 769,747,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,686,247.12 : 1,418,208,576.42 = 557,787,738.16 : x
  2. Step 2: Convert to fraction form
    1,027,686,247.12/1,418,208,576.42 = 557,787,738.16/x
  3. Step 3: Cross multiply
    1,027,686,247.12x = 1,418,208,576.42 × 557,787,738.16
  4. Step 4: Simplify right side
    1,027,686,247.12x = 791,059,354,080,425,344
  5. Step 5: Solve for x
    x = 791,059,354,080,425,344/1,027,686,247.12
  6. Step 6: Final answer
    x = 769,747,922.87

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Half scale
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Double scale
Find fourth proportional to 1,027,686,248.12, 1,418,208,577.80 and 557,787,739.16
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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.