Home / 839,331,150.89-1,158,278,104.01-462,979,249.11

Finding the Fourth Proportional to 839,331,150.89, 1,158,278,104.01 and 462,979,249.11

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Solution

The fourth proportional to 839,331,150.89, 1,158,278,104.01 and 462,979,249.11 is: 638,911,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,331,150.89 : 1,158,278,104.01 = 462,979,249.11 : x
  2. Step 2: Convert to fraction form
    839,331,150.89/1,158,278,104.01 = 462,979,249.11/x
  3. Step 3: Cross multiply
    839,331,150.89x = 1,158,278,104.01 × 462,979,249.11
  4. Step 4: Simplify right side
    839,331,150.89x = 536,258,726,856,261,760
  5. Step 5: Solve for x
    x = 536,258,726,856,261,760/839,331,150.89
  6. Step 6: Final answer
    x = 638,911,979.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.