Home / 841,447,369.38-1,262,306,680.86-259,181,344.12

Finding the Fourth Proportional to 841,447,369.38, 1,262,306,680.86 and 259,181,344.12

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Solution

The fourth proportional to 841,447,369.38, 1,262,306,680.86 and 259,181,344.12 is: 388,813,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,447,369.38 : 1,262,306,680.86 = 259,181,344.12 : x
  2. Step 2: Convert to fraction form
    841,447,369.38/1,262,306,680.86 = 259,181,344.12/x
  3. Step 3: Cross multiply
    841,447,369.38x = 1,262,306,680.86 × 259,181,344.12
  4. Step 4: Simplify right side
    841,447,369.38x = 327,166,342,236,950,656
  5. Step 5: Solve for x
    x = 327,166,342,236,950,656/841,447,369.38
  6. Step 6: Final answer
    x = 388,813,791.74

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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.