Home / 407,259,788.11-562,299,685.82-381,240,436.75

Finding the Fourth Proportional to 407,259,788.11, 562,299,685.82 and 381,240,436.75

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Solution

The fourth proportional to 407,259,788.11, 562,299,685.82 and 381,240,436.75 is: 526,375,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,259,788.11 : 562,299,685.82 = 381,240,436.75 : x
  2. Step 2: Convert to fraction form
    407,259,788.11/562,299,685.82 = 381,240,436.75/x
  3. Step 3: Cross multiply
    407,259,788.11x = 562,299,685.82 × 381,240,436.75
  4. Step 4: Simplify right side
    407,259,788.11x = 214,371,377,806,404,608
  5. Step 5: Solve for x
    x = 214,371,377,806,404,608/407,259,788.11
  6. Step 6: Final answer
    x = 526,375,016.80

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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.