Home / 1,248,834,369.77-1,873,367,143.07-408,481,884.66

Finding the Fourth Proportional to 1,248,834,369.77, 1,873,367,143.07 and 408,481,884.66

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Solution

The fourth proportional to 1,248,834,369.77, 1,873,367,143.07 and 408,481,884.66 is: 612,760,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,834,369.77 : 1,873,367,143.07 = 408,481,884.66 : x
  2. Step 2: Convert to fraction form
    1,248,834,369.77/1,873,367,143.07 = 408,481,884.66/x
  3. Step 3: Cross multiply
    1,248,834,369.77x = 1,873,367,143.07 × 408,481,884.66
  4. Step 4: Simplify right side
    1,248,834,369.77x = 765,236,541,261,353,472
  5. Step 5: Solve for x
    x = 765,236,541,261,353,472/1,248,834,369.77
  6. Step 6: Final answer
    x = 612,760,634.86

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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.