Home / 408,443,054.20-563,650,731.44-222,804,069.88

Finding the Fourth Proportional to 408,443,054.20, 563,650,731.44 and 222,804,069.88

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Solution

The fourth proportional to 408,443,054.20, 563,650,731.44 and 222,804,069.88 is: 307,469,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,443,054.20 : 563,650,731.44 = 222,804,069.88 : x
  2. Step 2: Convert to fraction form
    408,443,054.20/563,650,731.44 = 222,804,069.88/x
  3. Step 3: Cross multiply
    408,443,054.20x = 563,650,731.44 × 222,804,069.88
  4. Step 4: Simplify right side
    408,443,054.20x = 125,583,676,955,670,880
  5. Step 5: Solve for x
    x = 125,583,676,955,670,880/408,443,054.20
  6. Step 6: Final answer
    x = 307,469,243.67

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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.