Home / 493,155,326.32-680,296,333.73-304,923,449.84

Finding the Fourth Proportional to 493,155,326.32, 680,296,333.73 and 304,923,449.84

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Solution

The fourth proportional to 493,155,326.32, 680,296,333.73 and 304,923,449.84 is: 420,634,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,326.32 : 680,296,333.73 = 304,923,449.84 : x
  2. Step 2: Convert to fraction form
    493,155,326.32/680,296,333.73 = 304,923,449.84/x
  3. Step 3: Cross multiply
    493,155,326.32x = 680,296,333.73 × 304,923,449.84
  4. Step 4: Simplify right side
    493,155,326.32x = 207,438,304,991,816,352
  5. Step 5: Solve for x
    x = 207,438,304,991,816,352/493,155,326.32
  6. Step 6: Final answer
    x = 420,634,826.23

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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.