Home / 1,027,696,218.84-1,418,217,191.82-557,797,515.48

Finding the Fourth Proportional to 1,027,696,218.84, 1,418,217,191.82 and 557,797,515.48

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Solution

The fourth proportional to 1,027,696,218.84, 1,418,217,191.82 and 557,797,515.48 is: 769,758,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,696,218.84 : 1,418,217,191.82 = 557,797,515.48 : x
  2. Step 2: Convert to fraction form
    1,027,696,218.84/1,418,217,191.82 = 557,797,515.48/x
  3. Step 3: Cross multiply
    1,027,696,218.84x = 1,418,217,191.82 × 557,797,515.48
  4. Step 4: Simplify right side
    1,027,696,218.84x = 791,078,026,008,218,624
  5. Step 5: Solve for x
    x = 791,078,026,008,218,624/1,027,696,218.84
  6. Step 6: Final answer
    x = 769,758,622.74

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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.