Home / 662,691,778.20-994,330,476.36-347,482,533.24

Finding the Fourth Proportional to 662,691,778.20, 994,330,476.36 and 347,482,533.24

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Solution

The fourth proportional to 662,691,778.20, 994,330,476.36 and 347,482,533.24 is: 521,377,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,691,778.20 : 994,330,476.36 = 347,482,533.24 : x
  2. Step 2: Convert to fraction form
    662,691,778.20/994,330,476.36 = 347,482,533.24/x
  3. Step 3: Cross multiply
    662,691,778.20x = 994,330,476.36 × 347,482,533.24
  4. Step 4: Simplify right side
    662,691,778.20x = 345,512,472,803,308,736
  5. Step 5: Solve for x
    x = 345,512,472,803,308,736/662,691,778.20
  6. Step 6: Final answer
    x = 521,377,334.33

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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.