Home / 890,567,443-1,336,221,669.28-392,322,960.42

Finding the Fourth Proportional to 890,567,443, 1,336,221,669.28 and 392,322,960.42

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Solution

The fourth proportional to 890,567,443, 1,336,221,669.28 and 392,322,960.42 is: 588,647,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,567,443 : 1,336,221,669.28 = 392,322,960.42 : x
  2. Step 2: Convert to fraction form
    890,567,443/1,336,221,669.28 = 392,322,960.42/x
  3. Step 3: Cross multiply
    890,567,443x = 1,336,221,669.28 × 392,322,960.42
  4. Step 4: Simplify right side
    890,567,443x = 524,230,441,069,283,776
  5. Step 5: Solve for x
    x = 524,230,441,069,283,776/890,567,443
  6. Step 6: Final answer
    x = 588,647,659.64

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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.