Home / 641,589,252.76-885,394,872.66-348,233,820.76

Finding the Fourth Proportional to 641,589,252.76, 885,394,872.66 and 348,233,820.76

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Solution

The fourth proportional to 641,589,252.76, 885,394,872.66 and 348,233,820.76 is: 480,563,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,589,252.76 : 885,394,872.66 = 348,233,820.76 : x
  2. Step 2: Convert to fraction form
    641,589,252.76/885,394,872.66 = 348,233,820.76/x
  3. Step 3: Cross multiply
    641,589,252.76x = 885,394,872.66 × 348,233,820.76
  4. Step 4: Simplify right side
    641,589,252.76x = 308,324,439,387,705,472
  5. Step 5: Solve for x
    x = 308,324,439,387,705,472/641,589,252.76
  6. Step 6: Final answer
    x = 480,563,597.44

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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.