Home / 919,412,414.40-1,379,118,621.60-574,755,211.20

Finding the Fourth Proportional to 919,412,414.40, 1,379,118,621.60 and 574,755,211.20

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Solution

The fourth proportional to 919,412,414.40, 1,379,118,621.60 and 574,755,211.20 is: 862,132,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,412,414.40 : 1,379,118,621.60 = 574,755,211.20 : x
  2. Step 2: Convert to fraction form
    919,412,414.40/1,379,118,621.60 = 574,755,211.20/x
  3. Step 3: Cross multiply
    919,412,414.40x = 1,379,118,621.60 × 574,755,211.20
  4. Step 4: Simplify right side
    919,412,414.40x = 792,655,614,627,560,832
  5. Step 5: Solve for x
    x = 792,655,614,627,560,832/919,412,414.40
  6. Step 6: Final answer
    x = 862,132,816.80

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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.