Home / 418,528,249.84-627,218,418.32-264,900,072.88

Finding the Fourth Proportional to 418,528,249.84, 627,218,418.32 and 264,900,072.88

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Solution

The fourth proportional to 418,528,249.84, 627,218,418.32 and 264,900,072.88 is: 396,986,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,528,249.84 : 627,218,418.32 = 264,900,072.88 : x
  2. Step 2: Convert to fraction form
    418,528,249.84/627,218,418.32 = 264,900,072.88/x
  3. Step 3: Cross multiply
    418,528,249.84x = 627,218,418.32 × 264,900,072.88
  4. Step 4: Simplify right side
    418,528,249.84x = 166,150,204,724,646,336
  5. Step 5: Solve for x
    x = 166,150,204,724,646,336/418,528,249.84
  6. Step 6: Final answer
    x = 396,986,833.72

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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.