Home / 293,419,408.20-440,129,112.30-207,325,966.20

Finding the Fourth Proportional to 293,419,408.20, 440,129,112.30 and 207,325,966.20

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Solution

The fourth proportional to 293,419,408.20, 440,129,112.30 and 207,325,966.20 is: 310,988,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,408.20 : 440,129,112.30 = 207,325,966.20 : x
  2. Step 2: Convert to fraction form
    293,419,408.20/440,129,112.30 = 207,325,966.20/x
  3. Step 3: Cross multiply
    293,419,408.20x = 440,129,112.30 × 207,325,966.20
  4. Step 4: Simplify right side
    293,419,408.20x = 91,250,193,460,345,808
  5. Step 5: Solve for x
    x = 91,250,193,460,345,808/293,419,408.20
  6. Step 6: Final answer
    x = 310,988,949.30

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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.