Home / 914,681,778.63-1,372,019,953.32-259,633,359.33

Finding the Fourth Proportional to 914,681,778.63, 1,372,019,953.32 and 259,633,359.33

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Solution

The fourth proportional to 914,681,778.63, 1,372,019,953.32 and 259,633,359.33 is: 389,449,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,681,778.63 : 1,372,019,953.32 = 259,633,359.33 : x
  2. Step 2: Convert to fraction form
    914,681,778.63/1,372,019,953.32 = 259,633,359.33/x
  3. Step 3: Cross multiply
    914,681,778.63x = 1,372,019,953.32 × 259,633,359.33
  4. Step 4: Simplify right side
    914,681,778.63x = 356,222,149,548,261,376
  5. Step 5: Solve for x
    x = 356,222,149,548,261,376/914,681,778.63
  6. Step 6: Final answer
    x = 389,449,268.45

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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.