Home / 422,577,027.30-633,865,540.95-300,133,020.90

Finding the Fourth Proportional to 422,577,027.30, 633,865,540.95 and 300,133,020.90

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Solution

The fourth proportional to 422,577,027.30, 633,865,540.95 and 300,133,020.90 is: 450,199,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,577,027.30 : 633,865,540.95 = 300,133,020.90 : x
  2. Step 2: Convert to fraction form
    422,577,027.30/633,865,540.95 = 300,133,020.90/x
  3. Step 3: Cross multiply
    422,577,027.30x = 633,865,540.95 × 300,133,020.90
  4. Step 4: Simplify right side
    422,577,027.30x = 190,243,979,649,736,160
  5. Step 5: Solve for x
    x = 190,243,979,649,736,160/422,577,027.30
  6. Step 6: Final answer
    x = 450,199,531.35

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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.