Home / 493,155,194.58-680,296,151.60-304,923,317.94

Finding the Fourth Proportional to 493,155,194.58, 680,296,151.60 and 304,923,317.94

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Solution

The fourth proportional to 493,155,194.58, 680,296,151.60 and 304,923,317.94 is: 420,634,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,194.58 : 680,296,151.60 = 304,923,317.94 : x
  2. Step 2: Convert to fraction form
    493,155,194.58/680,296,151.60 = 304,923,317.94/x
  3. Step 3: Cross multiply
    493,155,194.58x = 680,296,151.60 × 304,923,317.94
  4. Step 4: Simplify right side
    493,155,194.58x = 207,438,159,727,685,248
  5. Step 5: Solve for x
    x = 207,438,159,727,685,248/493,155,194.58
  6. Step 6: Final answer
    x = 420,634,644.04

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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.