Home / 493,677,680.88-681,276,110.07-267,615,965.51

Finding the Fourth Proportional to 493,677,680.88, 681,276,110.07 and 267,615,965.51

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Solution

The fourth proportional to 493,677,680.88, 681,276,110.07 and 267,615,965.51 is: 369,310,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,677,680.88 : 681,276,110.07 = 267,615,965.51 : x
  2. Step 2: Convert to fraction form
    493,677,680.88/681,276,110.07 = 267,615,965.51/x
  3. Step 3: Cross multiply
    493,677,680.88x = 681,276,110.07 × 267,615,965.51
  4. Step 4: Simplify right side
    493,677,680.88x = 182,320,363,975,432,032
  5. Step 5: Solve for x
    x = 182,320,363,975,432,032/493,677,680.88
  6. Step 6: Final answer
    x = 369,310,525.95

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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.