Home / 408,427,116.48-563,633,017.92-222,788,957.76

Finding the Fourth Proportional to 408,427,116.48, 563,633,017.92 and 222,788,957.76

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Solution

The fourth proportional to 408,427,116.48, 563,633,017.92 and 222,788,957.76 is: 307,450,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,427,116.48 : 563,633,017.92 = 222,788,957.76 : x
  2. Step 2: Convert to fraction form
    408,427,116.48/563,633,017.92 = 222,788,957.76/x
  3. Step 3: Cross multiply
    408,427,116.48x = 563,633,017.92 × 222,788,957.76
  4. Step 4: Simplify right side
    408,427,116.48x = 125,571,212,621,520,192
  5. Step 5: Solve for x
    x = 125,571,212,621,520,192/408,427,116.48
  6. Step 6: Final answer
    x = 307,450,723.90

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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.