Home / 436,489,733.71-654,728,434.80-203,189,958

Finding the Fourth Proportional to 436,489,733.71, 654,728,434.80 and 203,189,958

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Solution

The fourth proportional to 436,489,733.71, 654,728,434.80 and 203,189,958 is: 304,782,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,489,733.71 : 654,728,434.80 = 203,189,958 : x
  2. Step 2: Convert to fraction form
    436,489,733.71/654,728,434.80 = 203,189,958/x
  3. Step 3: Cross multiply
    436,489,733.71x = 654,728,434.80 × 203,189,958
  4. Step 4: Simplify right side
    436,489,733.71x = 133,034,243,167,655,776
  5. Step 5: Solve for x
    x = 133,034,243,167,655,776/436,489,733.71
  6. Step 6: Final answer
    x = 304,782,066.78

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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.