Home / 683,585,264.80-1,025,405,890.80-198,911,072.80

Finding the Fourth Proportional to 683,585,264.80, 1,025,405,890.80 and 198,911,072.80

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Solution

The fourth proportional to 683,585,264.80, 1,025,405,890.80 and 198,911,072.80 is: 298,374,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,585,264.80 : 1,025,405,890.80 = 198,911,072.80 : x
  2. Step 2: Convert to fraction form
    683,585,264.80/1,025,405,890.80 = 198,911,072.80/x
  3. Step 3: Cross multiply
    683,585,264.80x = 1,025,405,890.80 × 198,911,072.80
  4. Step 4: Simplify right side
    683,585,264.80x = 203,964,585,794,467,648
  5. Step 5: Solve for x
    x = 203,964,585,794,467,648/683,585,264.80
  6. Step 6: Final answer
    x = 298,374,754.84

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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.