Home / 347,056,310.32-478,938,617.70-188,286,425.04

Finding the Fourth Proportional to 347,056,310.32, 478,938,617.70 and 188,286,425.04

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Solution

The fourth proportional to 347,056,310.32, 478,938,617.70 and 188,286,425.04 is: 259,835,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,056,310.32 : 478,938,617.70 = 188,286,425.04 : x
  2. Step 2: Convert to fraction form
    347,056,310.32/478,938,617.70 = 188,286,425.04/x
  3. Step 3: Cross multiply
    347,056,310.32x = 478,938,617.70 × 188,286,425.04
  4. Step 4: Simplify right side
    347,056,310.32x = 90,177,640,140,332,256
  5. Step 5: Solve for x
    x = 90,177,640,140,332,256/347,056,310.32
  6. Step 6: Final answer
    x = 259,835,759.96

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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.