Home / 408,003,764.24-563,028,803.88-222,360,801.68

Finding the Fourth Proportional to 408,003,764.24, 563,028,803.88 and 222,360,801.68

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Solution

The fourth proportional to 408,003,764.24, 563,028,803.88 and 222,360,801.68 is: 306,848,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,003,764.24 : 563,028,803.88 = 222,360,801.68 : x
  2. Step 2: Convert to fraction form
    408,003,764.24/563,028,803.88 = 222,360,801.68/x
  3. Step 3: Cross multiply
    408,003,764.24x = 563,028,803.88 × 222,360,801.68
  4. Step 4: Simplify right side
    408,003,764.24x = 125,195,536,199,688,304
  5. Step 5: Solve for x
    x = 125,195,536,199,688,304/408,003,764.24
  6. Step 6: Final answer
    x = 306,848,973.40

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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.