Home / 300,319,618.20-450,479,427.30-218,052,551.40

Finding the Fourth Proportional to 300,319,618.20, 450,479,427.30 and 218,052,551.40

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Solution

The fourth proportional to 300,319,618.20, 450,479,427.30 and 218,052,551.40 is: 327,078,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,319,618.20 : 450,479,427.30 = 218,052,551.40 : x
  2. Step 2: Convert to fraction form
    300,319,618.20/450,479,427.30 = 218,052,551.40/x
  3. Step 3: Cross multiply
    300,319,618.20x = 450,479,427.30 × 218,052,551.40
  4. Step 4: Simplify right side
    300,319,618.20x = 98,228,188,475,975,824
  5. Step 5: Solve for x
    x = 98,228,188,475,975,824/300,319,618.20
  6. Step 6: Final answer
    x = 327,078,827.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.