Home / 328,427,453.16-453,231,086.46-177,720,110.28

Finding the Fourth Proportional to 328,427,453.16, 453,231,086.46 and 177,720,110.28

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Solution

The fourth proportional to 328,427,453.16, 453,231,086.46 and 177,720,110.28 is: 245,254,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,453.16 : 453,231,086.46 = 177,720,110.28 : x
  2. Step 2: Convert to fraction form
    328,427,453.16/453,231,086.46 = 177,720,110.28/x
  3. Step 3: Cross multiply
    328,427,453.16x = 453,231,086.46 × 177,720,110.28
  4. Step 4: Simplify right side
    328,427,453.16x = 80,548,278,667,995,408
  5. Step 5: Solve for x
    x = 80,548,278,667,995,408/328,427,453.16
  6. Step 6: Final answer
    x = 245,254,402.13

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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.