Home / 328,729,227.43-453,646,578.42-178,023,053.06

Finding the Fourth Proportional to 328,729,227.43, 453,646,578.42 and 178,023,053.06

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Solution

The fourth proportional to 328,729,227.43, 453,646,578.42 and 178,023,053.06 is: 245,671,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,729,227.43 : 453,646,578.42 = 178,023,053.06 : x
  2. Step 2: Convert to fraction form
    328,729,227.43/453,646,578.42 = 178,023,053.06/x
  3. Step 3: Cross multiply
    328,729,227.43x = 453,646,578.42 × 178,023,053.06
  4. Step 4: Simplify right side
    328,729,227.43x = 80,759,548,900,551,120
  5. Step 5: Solve for x
    x = 80,759,548,900,551,120/328,729,227.43
  6. Step 6: Final answer
    x = 245,671,945.67

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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.