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Finding the Fourth Proportional to 699,339,787.75, 965,063,606.73 and 386,067,275.06

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Solution

The fourth proportional to 699,339,787.75, 965,063,606.73 and 386,067,275.06 is: 532,758,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,339,787.75 : 965,063,606.73 = 386,067,275.06 : x
  2. Step 2: Convert to fraction form
    699,339,787.75/965,063,606.73 = 386,067,275.06/x
  3. Step 3: Cross multiply
    699,339,787.75x = 965,063,606.73 × 386,067,275.06
  4. Step 4: Simplify right side
    699,339,787.75x = 372,579,476,909,826,560
  5. Step 5: Solve for x
    x = 372,579,476,909,826,560/699,339,787.75
  6. Step 6: Final answer
    x = 532,758,872.64

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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.