Home / 286,898,662.20-430,350,404.26-79,653,233.10

Finding the Fourth Proportional to 286,898,662.20, 430,350,404.26 and 79,653,233.10

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Solution

The fourth proportional to 286,898,662.20, 430,350,404.26 and 79,653,233.10 is: 119,480,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,898,662.20 : 430,350,404.26 = 79,653,233.10 : x
  2. Step 2: Convert to fraction form
    286,898,662.20/430,350,404.26 = 79,653,233.10/x
  3. Step 3: Cross multiply
    286,898,662.20x = 430,350,404.26 × 79,653,233.10
  4. Step 4: Simplify right side
    286,898,662.20x = 34,278,801,065,201,008
  5. Step 5: Solve for x
    x = 34,278,801,065,201,008/286,898,662.20
  6. Step 6: Final answer
    x = 119,480,519.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.