Home / 493,155,185.07-680,296,138.50-304,923,308.42

Finding the Fourth Proportional to 493,155,185.07, 680,296,138.50 and 304,923,308.42

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Solution

The fourth proportional to 493,155,185.07, 680,296,138.50 and 304,923,308.42 is: 420,634,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,185.07 : 680,296,138.50 = 304,923,308.42 : x
  2. Step 2: Convert to fraction form
    493,155,185.07/680,296,138.50 = 304,923,308.42/x
  3. Step 3: Cross multiply
    493,155,185.07x = 680,296,138.50 × 304,923,308.42
  4. Step 4: Simplify right side
    493,155,185.07x = 207,438,149,258,110,752
  5. Step 5: Solve for x
    x = 207,438,149,258,110,752/493,155,185.07
  6. Step 6: Final answer
    x = 420,634,630.92

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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.