Home / 390,927,067.94-539,489,888.85-230,002,284.58

Finding the Fourth Proportional to 390,927,067.94, 539,489,888.85 and 230,002,284.58

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Solution

The fourth proportional to 390,927,067.94, 539,489,888.85 and 230,002,284.58 is: 317,409,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,927,067.94 : 539,489,888.85 = 230,002,284.58 : x
  2. Step 2: Convert to fraction form
    390,927,067.94/539,489,888.85 = 230,002,284.58/x
  3. Step 3: Cross multiply
    390,927,067.94x = 539,489,888.85 × 230,002,284.58
  4. Step 4: Simplify right side
    390,927,067.94x = 124,083,906,942,824,048
  5. Step 5: Solve for x
    x = 124,083,906,942,824,048/390,927,067.94
  6. Step 6: Final answer
    x = 317,409,351.05

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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.