Home / 395,952,264.99-546,414,666.79-214,899,249.20

Finding the Fourth Proportional to 395,952,264.99, 546,414,666.79 and 214,899,249.20

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Solution

The fourth proportional to 395,952,264.99, 546,414,666.79 and 214,899,249.20 is: 296,561,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,952,264.99 : 546,414,666.79 = 214,899,249.20 : x
  2. Step 2: Convert to fraction form
    395,952,264.99/546,414,666.79 = 214,899,249.20/x
  3. Step 3: Cross multiply
    395,952,264.99x = 546,414,666.79 × 214,899,249.20
  4. Step 4: Simplify right side
    395,952,264.99x = 117,424,101,644,098,672
  5. Step 5: Solve for x
    x = 117,424,101,644,098,672/395,952,264.99
  6. Step 6: Final answer
    x = 296,561,257.57

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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.