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Finding the Fourth Proportional to 623,399,944.95, 935,245,440.41 and 180,751,883.67

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Solution

The fourth proportional to 623,399,944.95, 935,245,440.41 and 180,751,883.67 is: 271,170,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,399,944.95 : 935,245,440.41 = 180,751,883.67 : x
  2. Step 2: Convert to fraction form
    623,399,944.95/935,245,440.41 = 180,751,883.67/x
  3. Step 3: Cross multiply
    623,399,944.95x = 935,245,440.41 × 180,751,883.67
  4. Step 4: Simplify right side
    623,399,944.95x = 169,047,375,046,982,464
  5. Step 5: Solve for x
    x = 169,047,375,046,982,464/623,399,944.95
  6. Step 6: Final answer
    x = 271,170,019.21

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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.