Home / 557,404,364.04-769,221,013.28-306,524,933.52

Finding the Fourth Proportional to 557,404,364.04, 769,221,013.28 and 306,524,933.52

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Solution

The fourth proportional to 557,404,364.04, 769,221,013.28 and 306,524,933.52 is: 423,006,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,404,364.04 : 769,221,013.28 = 306,524,933.52 : x
  2. Step 2: Convert to fraction form
    557,404,364.04/769,221,013.28 = 306,524,933.52/x
  3. Step 3: Cross multiply
    557,404,364.04x = 769,221,013.28 × 306,524,933.52
  4. Step 4: Simplify right side
    557,404,364.04x = 235,785,419,957,839,008
  5. Step 5: Solve for x
    x = 235,785,419,957,839,008/557,404,364.04
  6. Step 6: Final answer
    x = 423,006,053.00

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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.