Home / 394,495,999.60-591,743,999.40-179,085,247.60

Finding the Fourth Proportional to 394,495,999.60, 591,743,999.40 and 179,085,247.60

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Solution

The fourth proportional to 394,495,999.60, 591,743,999.40 and 179,085,247.60 is: 268,627,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,495,999.60 : 591,743,999.40 = 179,085,247.60 : x
  2. Step 2: Convert to fraction form
    394,495,999.60/591,743,999.40 = 179,085,247.60/x
  3. Step 3: Cross multiply
    394,495,999.60x = 591,743,999.40 × 179,085,247.60
  4. Step 4: Simplify right side
    394,495,999.60x = 105,972,620,648,363,248
  5. Step 5: Solve for x
    x = 105,972,620,648,363,248/394,495,999.60
  6. Step 6: Final answer
    x = 268,627,871.40

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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.