Home / 669,336,113.58-923,397,314.07-418,004,171.58

Finding the Fourth Proportional to 669,336,113.58, 923,397,314.07 and 418,004,171.58

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Solution

The fourth proportional to 669,336,113.58, 923,397,314.07 and 418,004,171.58 is: 576,666,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,336,113.58 : 923,397,314.07 = 418,004,171.58 : x
  2. Step 2: Convert to fraction form
    669,336,113.58/923,397,314.07 = 418,004,171.58/x
  3. Step 3: Cross multiply
    669,336,113.58x = 923,397,314.07 × 418,004,171.58
  4. Step 4: Simplify right side
    669,336,113.58x = 385,983,929,307,027,456
  5. Step 5: Solve for x
    x = 385,983,929,307,027,456/669,336,113.58
  6. Step 6: Final answer
    x = 576,666,821.76

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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.