Home / 675,609,884.24-1,013,511,093.92-209,307,961.28

Finding the Fourth Proportional to 675,609,884.24, 1,013,511,093.92 and 209,307,961.28

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Solution

The fourth proportional to 675,609,884.24, 1,013,511,093.92 and 209,307,961.28 is: 313,991,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,609,884.24 : 1,013,511,093.92 = 209,307,961.28 : x
  2. Step 2: Convert to fraction form
    675,609,884.24/1,013,511,093.92 = 209,307,961.28/x
  3. Step 3: Cross multiply
    675,609,884.24x = 1,013,511,093.92 × 209,307,961.28
  4. Step 4: Simplify right side
    675,609,884.24x = 212,135,940,803,057,792
  5. Step 5: Solve for x
    x = 212,135,940,803,057,792/675,609,884.24
  6. Step 6: Final answer
    x = 313,991,766.18

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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.