Home / 418,528,169.07-627,218,297.31-264,899,992.11

Finding the Fourth Proportional to 418,528,169.07, 627,218,297.31 and 264,899,992.11

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Solution

The fourth proportional to 418,528,169.07, 627,218,297.31 and 264,899,992.11 is: 396,986,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,528,169.07 : 627,218,297.31 = 264,899,992.11 : x
  2. Step 2: Convert to fraction form
    418,528,169.07/627,218,297.31 = 264,899,992.11/x
  3. Step 3: Cross multiply
    418,528,169.07x = 627,218,297.31 × 264,899,992.11
  4. Step 4: Simplify right side
    418,528,169.07x = 166,150,122,008,666,624
  5. Step 5: Solve for x
    x = 166,150,122,008,666,624/418,528,169.07
  6. Step 6: Final answer
    x = 396,986,712.69

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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.