Home / 646,797,315,207.40-970,195,972,811.10-227,899,591,815.40

Finding the Fourth Proportional to 646,797,315,207.40, 970,195,972,811.10 and 227,899,591,815.40

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Solution

The fourth proportional to 646,797,315,207.40, 970,195,972,811.10 and 227,899,591,815.40 is: 341,849,387,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,797,315,207.40 : 970,195,972,811.10 = 227,899,591,815.40 : x
  2. Step 2: Convert to fraction form
    646,797,315,207.40/970,195,972,811.10 = 227,899,591,815.40/x
  3. Step 3: Cross multiply
    646,797,315,207.40x = 970,195,972,811.10 × 227,899,591,815.40
  4. Step 4: Simplify right side
    646,797,315,207.40x = 221,107,266,184,594,587,648,000
  5. Step 5: Solve for x
    x = 221,107,266,184,594,587,648,000/646,797,315,207.40
  6. Step 6: Final answer
    x = 341,849,387,723.10

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Half scale
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Double scale
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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.