Home / 298,344,357.36-411,719,478.60-171,205,754.38

Finding the Fourth Proportional to 298,344,357.36, 411,719,478.60 and 171,205,754.38

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Solution

The fourth proportional to 298,344,357.36, 411,719,478.60 and 171,205,754.38 is: 236,266,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,344,357.36 : 411,719,478.60 = 171,205,754.38 : x
  2. Step 2: Convert to fraction form
    298,344,357.36/411,719,478.60 = 171,205,754.38/x
  3. Step 3: Cross multiply
    298,344,357.36x = 411,719,478.60 × 171,205,754.38
  4. Step 4: Simplify right side
    298,344,357.36x = 70,488,743,926,653,272
  5. Step 5: Solve for x
    x = 70,488,743,926,653,272/298,344,357.36
  6. Step 6: Final answer
    x = 236,266,388.78

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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.