Home / 605,325,249.60-907,987,874.40-299,215,233.60

Finding the Fourth Proportional to 605,325,249.60, 907,987,874.40 and 299,215,233.60

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Solution

The fourth proportional to 605,325,249.60, 907,987,874.40 and 299,215,233.60 is: 448,822,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,325,249.60 : 907,987,874.40 = 299,215,233.60 : x
  2. Step 2: Convert to fraction form
    605,325,249.60/907,987,874.40 = 299,215,233.60/x
  3. Step 3: Cross multiply
    605,325,249.60x = 907,987,874.40 × 299,215,233.60
  4. Step 4: Simplify right side
    605,325,249.60x = 271,683,803,944,563,488
  5. Step 5: Solve for x
    x = 271,683,803,944,563,488/605,325,249.60
  6. Step 6: Final answer
    x = 448,822,850.40

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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.