Home / 1,027,843,930.93-1,418,426,424.10-557,945,570.20

Finding the Fourth Proportional to 1,027,843,930.93, 1,418,426,424.10 and 557,945,570.20

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Solution

The fourth proportional to 1,027,843,930.93, 1,418,426,424.10 and 557,945,570.20 is: 769,965,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,843,930.93 : 1,418,426,424.10 = 557,945,570.20 : x
  2. Step 2: Convert to fraction form
    1,027,843,930.93/1,418,426,424.10 = 557,945,570.20/x
  3. Step 3: Cross multiply
    1,027,843,930.93x = 1,418,426,424.10 × 557,945,570.20
  4. Step 4: Simplify right side
    1,027,843,930.93x = 791,404,739,981,221,504
  5. Step 5: Solve for x
    x = 791,404,739,981,221,504/1,027,843,930.93
  6. Step 6: Final answer
    x = 769,965,863.66

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Double scale
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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.