Home / 343,457,073.18-515,243,072.75-269,677,876.85

Finding the Fourth Proportional to 343,457,073.18, 515,243,072.75 and 269,677,876.85

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Solution

The fourth proportional to 343,457,073.18, 515,243,072.75 and 269,677,876.85 is: 404,561,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,457,073.18 : 515,243,072.75 = 269,677,876.85 : x
  2. Step 2: Convert to fraction form
    343,457,073.18/515,243,072.75 = 269,677,876.85/x
  3. Step 3: Cross multiply
    343,457,073.18x = 515,243,072.75 × 269,677,876.85
  4. Step 4: Simplify right side
    343,457,073.18x = 138,949,657,918,897,648
  5. Step 5: Solve for x
    x = 138,949,657,918,897,648/343,457,073.18
  6. Step 6: Final answer
    x = 404,561,934.43

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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.