Home / 408,427,220.16-563,633,160.84-222,789,061.44

Finding the Fourth Proportional to 408,427,220.16, 563,633,160.84 and 222,789,061.44

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Solution

The fourth proportional to 408,427,220.16, 563,633,160.84 and 222,789,061.44 is: 307,450,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,427,220.16 : 563,633,160.84 = 222,789,061.44 : x
  2. Step 2: Convert to fraction form
    408,427,220.16/563,633,160.84 = 222,789,061.44/x
  3. Step 3: Cross multiply
    408,427,220.16x = 563,633,160.84 × 222,789,061.44
  4. Step 4: Simplify right side
    408,427,220.16x = 125,571,302,900,004,176
  5. Step 5: Solve for x
    x = 125,571,302,900,004,176/408,427,220.16
  6. Step 6: Final answer
    x = 307,450,866.89

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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.