Home / 401,034,863.76-601,427,718.42-193,644,331.44

Finding the Fourth Proportional to 401,034,863.76, 601,427,718.42 and 193,644,331.44

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Solution

The fourth proportional to 401,034,863.76, 601,427,718.42 and 193,644,331.44 is: 290,406,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,034,863.76 : 601,427,718.42 = 193,644,331.44 : x
  2. Step 2: Convert to fraction form
    401,034,863.76/601,427,718.42 = 193,644,331.44/x
  3. Step 3: Cross multiply
    401,034,863.76x = 601,427,718.42 × 193,644,331.44
  4. Step 4: Simplify right side
    401,034,863.76x = 116,463,068,442,925,456
  5. Step 5: Solve for x
    x = 116,463,068,442,925,456/401,034,863.76
  6. Step 6: Final answer
    x = 290,406,343.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.