Home / 493,155,188.07-680,296,142.64-304,923,311.43

Finding the Fourth Proportional to 493,155,188.07, 680,296,142.64 and 304,923,311.43

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Solution

The fourth proportional to 493,155,188.07, 680,296,142.64 and 304,923,311.43 is: 420,634,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,188.07 : 680,296,142.64 = 304,923,311.43 : x
  2. Step 2: Convert to fraction form
    493,155,188.07/680,296,142.64 = 304,923,311.43/x
  3. Step 3: Cross multiply
    493,155,188.07x = 680,296,142.64 × 304,923,311.43
  4. Step 4: Simplify right side
    493,155,188.07x = 207,438,152,566,844,416
  5. Step 5: Solve for x
    x = 207,438,152,566,844,416/493,155,188.07
  6. Step 6: Final answer
    x = 420,634,635.07

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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.