Home / 339,913,715.16-509,841,366.24-206,932,058.90

Finding the Fourth Proportional to 339,913,715.16, 509,841,366.24 and 206,932,058.90

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Solution

The fourth proportional to 339,913,715.16, 509,841,366.24 and 206,932,058.90 is: 310,380,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,913,715.16 : 509,841,366.24 = 206,932,058.90 : x
  2. Step 2: Convert to fraction form
    339,913,715.16/509,841,366.24 = 206,932,058.90/x
  3. Step 3: Cross multiply
    339,913,715.16x = 509,841,366.24 × 206,932,058.90
  4. Step 4: Simplify right side
    339,913,715.16x = 105,502,523,628,432,160
  5. Step 5: Solve for x
    x = 105,502,523,628,432,160/339,913,715.16
  6. Step 6: Final answer
    x = 310,380,308.07

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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.