Home / 519,324,606.80-778,986,910.20-325,832,843.60

Finding the Fourth Proportional to 519,324,606.80, 778,986,910.20 and 325,832,843.60

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Solution

The fourth proportional to 519,324,606.80, 778,986,910.20 and 325,832,843.60 is: 488,749,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,324,606.80 : 778,986,910.20 = 325,832,843.60 : x
  2. Step 2: Convert to fraction form
    519,324,606.80/778,986,910.20 = 325,832,843.60/x
  3. Step 3: Cross multiply
    519,324,606.80x = 778,986,910.20 × 325,832,843.60
  4. Step 4: Simplify right side
    519,324,606.80x = 253,819,520,077,643,872
  5. Step 5: Solve for x
    x = 253,819,520,077,643,872/519,324,606.80
  6. Step 6: Final answer
    x = 488,749,265.40

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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.