Home / 823,531,517.50-1,235,294,581.86-298,899,920.16

Finding the Fourth Proportional to 823,531,517.50, 1,235,294,581.86 and 298,899,920.16

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Solution

The fourth proportional to 823,531,517.50, 1,235,294,581.86 and 298,899,920.16 is: 448,348,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,531,517.50 : 1,235,294,581.86 = 298,899,920.16 : x
  2. Step 2: Convert to fraction form
    823,531,517.50/1,235,294,581.86 = 298,899,920.16/x
  3. Step 3: Cross multiply
    823,531,517.50x = 1,235,294,581.86 × 298,899,920.16
  4. Step 4: Simplify right side
    823,531,517.50x = 369,229,451,892,034,560
  5. Step 5: Solve for x
    x = 369,229,451,892,034,560/823,531,517.50
  6. Step 6: Final answer
    x = 448,348,902.31

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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.