Home / 776,746,132.98-1,165,129,296.24-259,176,573.48

Finding the Fourth Proportional to 776,746,132.98, 1,165,129,296.24 and 259,176,573.48

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Solution

The fourth proportional to 776,746,132.98, 1,165,129,296.24 and 259,176,573.48 is: 388,768,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,746,132.98 : 1,165,129,296.24 = 259,176,573.48 : x
  2. Step 2: Convert to fraction form
    776,746,132.98/1,165,129,296.24 = 259,176,573.48/x
  3. Step 3: Cross multiply
    776,746,132.98x = 1,165,129,296.24 × 259,176,573.48
  4. Step 4: Simplify right side
    776,746,132.98x = 301,974,218,660,647,040
  5. Step 5: Solve for x
    x = 301,974,218,660,647,040/776,746,132.98
  6. Step 6: Final answer
    x = 388,768,229.21

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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.