Home / 869,743,150.98-1,304,818,999.10-287,477,334.23

Finding the Fourth Proportional to 869,743,150.98, 1,304,818,999.10 and 287,477,334.23

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Solution

The fourth proportional to 869,743,150.98, 1,304,818,999.10 and 287,477,334.23 is: 431,283,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,743,150.98 : 1,304,818,999.10 = 287,477,334.23 : x
  2. Step 2: Convert to fraction form
    869,743,150.98/1,304,818,999.10 = 287,477,334.23/x
  3. Step 3: Cross multiply
    869,743,150.98x = 1,304,818,999.10 × 287,477,334.23
  4. Step 4: Simplify right side
    869,743,150.98x = 375,105,887,505,963,328
  5. Step 5: Solve for x
    x = 375,105,887,505,963,328/869,743,150.98
  6. Step 6: Final answer
    x = 431,283,519.83

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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.