Home / 577,169,565.82-796,472,662.42-312,845,883.75

Finding the Fourth Proportional to 577,169,565.82, 796,472,662.42 and 312,845,883.75

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Solution

The fourth proportional to 577,169,565.82, 796,472,662.42 and 312,845,883.75 is: 431,715,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,565.82 : 796,472,662.42 = 312,845,883.75 : x
  2. Step 2: Convert to fraction form
    577,169,565.82/796,472,662.42 = 312,845,883.75/x
  3. Step 3: Cross multiply
    577,169,565.82x = 796,472,662.42 × 312,845,883.75
  4. Step 4: Simplify right side
    577,169,565.82x = 249,173,193,957,500,288
  5. Step 5: Solve for x
    x = 249,173,193,957,500,288/577,169,565.82
  6. Step 6: Final answer
    x = 431,715,753.42

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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.