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Finding the Fourth Proportional to 298,262,870.46, 447,419,697.03 and 91,047,824.28

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Solution

The fourth proportional to 298,262,870.46, 447,419,697.03 and 91,047,824.28 is: 136,579,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,262,870.46 : 447,419,697.03 = 91,047,824.28 : x
  2. Step 2: Convert to fraction form
    298,262,870.46/447,419,697.03 = 91,047,824.28/x
  3. Step 3: Cross multiply
    298,262,870.46x = 447,419,697.03 × 91,047,824.28
  4. Step 4: Simplify right side
    298,262,870.46x = 40,736,589,954,598,272
  5. Step 5: Solve for x
    x = 40,736,589,954,598,272/298,262,870.46
  6. Step 6: Final answer
    x = 136,579,487.39

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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.