Home / 681,986,046.80-1,022,307,223.80-336,992,920.40

Finding the Fourth Proportional to 681,986,046.80, 1,022,307,223.80 and 336,992,920.40

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Solution

The fourth proportional to 681,986,046.80, 1,022,307,223.80 and 336,992,920.40 is: 505,157,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,986,046.80 : 1,022,307,223.80 = 336,992,920.40 : x
  2. Step 2: Convert to fraction form
    681,986,046.80/1,022,307,223.80 = 336,992,920.40/x
  3. Step 3: Cross multiply
    681,986,046.80x = 1,022,307,223.80 × 336,992,920.40
  4. Step 4: Simplify right side
    681,986,046.80x = 344,510,296,894,378,368
  5. Step 5: Solve for x
    x = 344,510,296,894,378,368/681,986,046.80
  6. Step 6: Final answer
    x = 505,157,398.03

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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.