Home / 418,302,447.10-627,453,670.65-188,719,935.10

Finding the Fourth Proportional to 418,302,447.10, 627,453,670.65 and 188,719,935.10

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Solution

The fourth proportional to 418,302,447.10, 627,453,670.65 and 188,719,935.10 is: 283,079,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,302,447.10 : 627,453,670.65 = 188,719,935.10 : x
  2. Step 2: Convert to fraction form
    418,302,447.10/627,453,670.65 = 188,719,935.10/x
  3. Step 3: Cross multiply
    418,302,447.10x = 627,453,670.65 × 188,719,935.10
  4. Step 4: Simplify right side
    418,302,447.10x = 118,413,016,003,324,768
  5. Step 5: Solve for x
    x = 118,413,016,003,324,768/418,302,447.10
  6. Step 6: Final answer
    x = 283,079,902.65

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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.