Home / 3,779,144,728.40-5,668,717,092.60-3,398,207,819.60

Finding the Fourth Proportional to 3,779,144,728.40, 5,668,717,092.60 and 3,398,207,819.60

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Solution

The fourth proportional to 3,779,144,728.40, 5,668,717,092.60 and 3,398,207,819.60 is: 5,097,311,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,144,728.40 : 5,668,717,092.60 = 3,398,207,819.60 : x
  2. Step 2: Convert to fraction form
    3,779,144,728.40/5,668,717,092.60 = 3,398,207,819.60/x
  3. Step 3: Cross multiply
    3,779,144,728.40x = 5,668,717,092.60 × 3,398,207,819.60
  4. Step 4: Simplify right side
    3,779,144,728.40x = 19,263,478,751,173,496,832
  5. Step 5: Solve for x
    x = 19,263,478,751,173,496,832/3,779,144,728.40
  6. Step 6: Final answer
    x = 5,097,311,729.40

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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.