Home / 300,706,905-451,062,350.40-116,494,839.78

Finding the Fourth Proportional to 300,706,905, 451,062,350.40 and 116,494,839.78

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Solution

The fourth proportional to 300,706,905, 451,062,350.40 and 116,494,839.78 is: 174,743,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,706,905 : 451,062,350.40 = 116,494,839.78 : x
  2. Step 2: Convert to fraction form
    300,706,905/451,062,350.40 = 116,494,839.78/x
  3. Step 3: Cross multiply
    300,706,905x = 451,062,350.40 × 116,494,839.78
  4. Step 4: Simplify right side
    300,706,905x = 52,546,436,240,638,216
  5. Step 5: Solve for x
    x = 52,546,436,240,638,216/300,706,905
  6. Step 6: Final answer
    x = 174,743,031.73

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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.