Home / 691,314,348.49-954,087,733.20-423,567,868.75

Finding the Fourth Proportional to 691,314,348.49, 954,087,733.20 and 423,567,868.75

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Solution

The fourth proportional to 691,314,348.49, 954,087,733.20 and 423,567,868.75 is: 584,568,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,314,348.49 : 954,087,733.20 = 423,567,868.75 : x
  2. Step 2: Convert to fraction form
    691,314,348.49/954,087,733.20 = 423,567,868.75/x
  3. Step 3: Cross multiply
    691,314,348.49x = 954,087,733.20 × 423,567,868.75
  4. Step 4: Simplify right side
    691,314,348.49x = 404,120,907,751,245,760
  5. Step 5: Solve for x
    x = 404,120,907,751,245,760/691,314,348.49
  6. Step 6: Final answer
    x = 584,568,957.14

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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.