Home / 493,155,189.57-680,296,144.71-304,923,312.93

Finding the Fourth Proportional to 493,155,189.57, 680,296,144.71 and 304,923,312.93

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Solution

The fourth proportional to 493,155,189.57, 680,296,144.71 and 304,923,312.93 is: 420,634,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,189.57 : 680,296,144.71 = 304,923,312.93 : x
  2. Step 2: Convert to fraction form
    493,155,189.57/680,296,144.71 = 304,923,312.93/x
  3. Step 3: Cross multiply
    493,155,189.57x = 680,296,144.71 × 304,923,312.93
  4. Step 4: Simplify right side
    493,155,189.57x = 207,438,154,218,479,904
  5. Step 5: Solve for x
    x = 207,438,154,218,479,904/493,155,189.57
  6. Step 6: Final answer
    x = 420,634,637.14

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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.