Home / 418,748,357.46-627,831,663.92-185,451,940.38

Finding the Fourth Proportional to 418,748,357.46, 627,831,663.92 and 185,451,940.38

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Solution

The fourth proportional to 418,748,357.46, 627,831,663.92 and 185,451,940.38 is: 278,049,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,748,357.46 : 627,831,663.92 = 185,451,940.38 : x
  2. Step 2: Convert to fraction form
    418,748,357.46/627,831,663.92 = 185,451,940.38/x
  3. Step 3: Cross multiply
    418,748,357.46x = 627,831,663.92 × 185,451,940.38
  4. Step 4: Simplify right side
    418,748,357.46x = 116,432,600,305,968,032
  5. Step 5: Solve for x
    x = 116,432,600,305,968,032/418,748,357.46
  6. Step 6: Final answer
    x = 278,049,091.37

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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.