Home / 5,668,720,857.40-8,503,081,286.10-4,979,973,321.40

Finding the Fourth Proportional to 5,668,720,857.40, 8,503,081,286.10 and 4,979,973,321.40

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Solution

The fourth proportional to 5,668,720,857.40, 8,503,081,286.10 and 4,979,973,321.40 is: 7,469,959,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,720,857.40 : 8,503,081,286.10 = 4,979,973,321.40 : x
  2. Step 2: Convert to fraction form
    5,668,720,857.40/8,503,081,286.10 = 4,979,973,321.40/x
  3. Step 3: Cross multiply
    5,668,720,857.40x = 8,503,081,286.10 × 4,979,973,321.40
  4. Step 4: Simplify right side
    5,668,720,857.40x = 42,345,117,954,473,598,976
  5. Step 5: Solve for x
    x = 42,345,117,954,473,598,976/5,668,720,857.40
  6. Step 6: Final answer
    x = 7,469,959,982.10

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Double scale
Find fourth proportional to 5,668,720,858.40, 8,503,081,287.60 and 4,979,973,322.40
Similar ratio
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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.