Home / 669,080,976.73-923,277,615.28-386,841,525.86

Finding the Fourth Proportional to 669,080,976.73, 923,277,615.28 and 386,841,525.86

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Solution

The fourth proportional to 669,080,976.73, 923,277,615.28 and 386,841,525.86 is: 533,810,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,080,976.73 : 923,277,615.28 = 386,841,525.86 : x
  2. Step 2: Convert to fraction form
    669,080,976.73/923,277,615.28 = 386,841,525.86/x
  3. Step 3: Cross multiply
    669,080,976.73x = 923,277,615.28 × 386,841,525.86
  4. Step 4: Simplify right side
    669,080,976.73x = 357,162,121,488,638,336
  5. Step 5: Solve for x
    x = 357,162,121,488,638,336/669,080,976.73
  6. Step 6: Final answer
    x = 533,810,007.92

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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.