Home / 313,996,578.43-433,307,358.25-172,866,390.27

Finding the Fourth Proportional to 313,996,578.43, 433,307,358.25 and 172,866,390.27

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Solution

The fourth proportional to 313,996,578.43, 433,307,358.25 and 172,866,390.27 is: 238,551,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,996,578.43 : 433,307,358.25 = 172,866,390.27 : x
  2. Step 2: Convert to fraction form
    313,996,578.43/433,307,358.25 = 172,866,390.27/x
  3. Step 3: Cross multiply
    313,996,578.43x = 433,307,358.25 × 172,866,390.27
  4. Step 4: Simplify right side
    313,996,578.43x = 74,904,278,898,107,216
  5. Step 5: Solve for x
    x = 74,904,278,898,107,216/313,996,578.43
  6. Step 6: Final answer
    x = 238,551,258.34

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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.