Home / 330,093,999.20-495,140,998.80-177,038,991.20

Finding the Fourth Proportional to 330,093,999.20, 495,140,998.80 and 177,038,991.20

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Solution

The fourth proportional to 330,093,999.20, 495,140,998.80 and 177,038,991.20 is: 265,558,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,093,999.20 : 495,140,998.80 = 177,038,991.20 : x
  2. Step 2: Convert to fraction form
    330,093,999.20/495,140,998.80 = 177,038,991.20/x
  3. Step 3: Cross multiply
    330,093,999.20x = 495,140,998.80 × 177,038,991.20
  4. Step 4: Simplify right side
    330,093,999.20x = 87,659,262,929,312,400
  5. Step 5: Solve for x
    x = 87,659,262,929,312,400/330,093,999.20
  6. Step 6: Final answer
    x = 265,558,486.80

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1.5x scale

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.