Home / 849,265,902.76-1,273,972,419.42-259,188,895.18

Finding the Fourth Proportional to 849,265,902.76, 1,273,972,419.42 and 259,188,895.18

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Solution

The fourth proportional to 849,265,902.76, 1,273,972,419.42 and 259,188,895.18 is: 388,805,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,265,902.76 : 1,273,972,419.42 = 259,188,895.18 : x
  2. Step 2: Convert to fraction form
    849,265,902.76/1,273,972,419.42 = 259,188,895.18/x
  3. Step 3: Cross multiply
    849,265,902.76x = 1,273,972,419.42 × 259,188,895.18
  4. Step 4: Simplify right side
    849,265,902.76x = 330,199,503,879,261,376
  5. Step 5: Solve for x
    x = 330,199,503,879,261,376/849,265,902.76
  6. Step 6: Final answer
    x = 388,805,794.28

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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.