Home / 13,873,332,965.88-19,141,918,128.69-7,851,838,367.61

Finding the Fourth Proportional to 13,873,332,965.88, 19,141,918,128.69 and 7,851,838,367.61

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Solution

The fourth proportional to 13,873,332,965.88, 19,141,918,128.69 and 7,851,838,367.61 is: 10,833,679,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,332,965.88 : 19,141,918,128.69 = 7,851,838,367.61 : x
  2. Step 2: Convert to fraction form
    13,873,332,965.88/19,141,918,128.69 = 7,851,838,367.61/x
  3. Step 3: Cross multiply
    13,873,332,965.88x = 19,141,918,128.69 × 7,851,838,367.61
  4. Step 4: Simplify right side
    13,873,332,965.88x = 150,299,247,192,497,553,408
  5. Step 5: Solve for x
    x = 150,299,247,192,497,553,408/13,873,332,965.88
  6. Step 6: Final answer
    x = 10,833,679,805.87

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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.