Home / 376,480,760.43-518,995,884.21-263,098,232.67

Finding the Fourth Proportional to 376,480,760.43, 518,995,884.21 and 263,098,232.67

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Solution

The fourth proportional to 376,480,760.43, 518,995,884.21 and 263,098,232.67 is: 362,692,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,480,760.43 : 518,995,884.21 = 263,098,232.67 : x
  2. Step 2: Convert to fraction form
    376,480,760.43/518,995,884.21 = 263,098,232.67/x
  3. Step 3: Cross multiply
    376,480,760.43x = 518,995,884.21 × 263,098,232.67
  4. Step 4: Simplify right side
    376,480,760.43x = 136,546,899,898,654,944
  5. Step 5: Solve for x
    x = 136,546,899,898,654,944/376,480,760.43
  6. Step 6: Final answer
    x = 362,692,902.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.