Home / 3,479,229,972.48-4,801,338,072.90-1,914,667,668.48

Finding the Fourth Proportional to 3,479,229,972.48, 4,801,338,072.90 and 1,914,667,668.48

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Solution

The fourth proportional to 3,479,229,972.48, 4,801,338,072.90 and 1,914,667,668.48 is: 2,642,241,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,229,972.48 : 4,801,338,072.90 = 1,914,667,668.48 : x
  2. Step 2: Convert to fraction form
    3,479,229,972.48/4,801,338,072.90 = 1,914,667,668.48/x
  3. Step 3: Cross multiply
    3,479,229,972.48x = 4,801,338,072.90 × 1,914,667,668.48
  4. Step 4: Simplify right side
    3,479,229,972.48x = 9,192,966,773,623,698,432
  5. Step 5: Solve for x
    x = 9,192,966,773,623,698,432/3,479,229,972.48
  6. Step 6: Final answer
    x = 2,642,241,773.71

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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.