Home / 408,427,693.48-563,633,814.20-222,789,534.76

Finding the Fourth Proportional to 408,427,693.48, 563,633,814.20 and 222,789,534.76

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Solution

The fourth proportional to 408,427,693.48, 563,633,814.20 and 222,789,534.76 is: 307,451,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,427,693.48 : 563,633,814.20 = 222,789,534.76 : x
  2. Step 2: Convert to fraction form
    408,427,693.48/563,633,814.20 = 222,789,534.76/x
  3. Step 3: Cross multiply
    408,427,693.48x = 563,633,814.20 × 222,789,534.76
  4. Step 4: Simplify right side
    408,427,693.48x = 125,571,715,240,622,288
  5. Step 5: Solve for x
    x = 125,571,715,240,622,288/408,427,693.48
  6. Step 6: Final answer
    x = 307,451,520.17

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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.