Home / 466,560,987.21-643,873,722.77-268,322,636.77

Finding the Fourth Proportional to 466,560,987.21, 643,873,722.77 and 268,322,636.77

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Solution

The fourth proportional to 466,560,987.21, 643,873,722.77 and 268,322,636.77 is: 370,296,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,560,987.21 : 643,873,722.77 = 268,322,636.77 : x
  2. Step 2: Convert to fraction form
    466,560,987.21/643,873,722.77 = 268,322,636.77/x
  3. Step 3: Cross multiply
    466,560,987.21x = 643,873,722.77 × 268,322,636.77
  4. Step 4: Simplify right side
    466,560,987.21x = 172,765,895,039,623,520
  5. Step 5: Solve for x
    x = 172,765,895,039,623,520/466,560,987.21
  6. Step 6: Final answer
    x = 370,296,488.08

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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.