Home / 773,792,489.76-1,067,823,067.61-439,262,091.65

Finding the Fourth Proportional to 773,792,489.76, 1,067,823,067.61 and 439,262,091.65

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Solution

The fourth proportional to 773,792,489.76, 1,067,823,067.61 and 439,262,091.65 is: 606,175,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,792,489.76 : 1,067,823,067.61 = 439,262,091.65 : x
  2. Step 2: Convert to fraction form
    773,792,489.76/1,067,823,067.61 = 439,262,091.65/x
  3. Step 3: Cross multiply
    773,792,489.76x = 1,067,823,067.61 × 439,262,091.65
  4. Step 4: Simplify right side
    773,792,489.76x = 469,054,194,182,952,512
  5. Step 5: Solve for x
    x = 469,054,194,182,952,512/773,792,489.76
  6. Step 6: Final answer
    x = 606,175,687.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.