Home / 823,609,167.81-1,235,412,760.27-210,193,459.17

Finding the Fourth Proportional to 823,609,167.81, 1,235,412,760.27 and 210,193,459.17

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Solution

The fourth proportional to 823,609,167.81, 1,235,412,760.27 and 210,193,459.17 is: 315,289,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,167.81 : 1,235,412,760.27 = 210,193,459.17 : x
  2. Step 2: Convert to fraction form
    823,609,167.81/1,235,412,760.27 = 210,193,459.17/x
  3. Step 3: Cross multiply
    823,609,167.81x = 1,235,412,760.27 × 210,193,459.17
  4. Step 4: Simplify right side
    823,609,167.81x = 259,675,681,583,909,216
  5. Step 5: Solve for x
    x = 259,675,681,583,909,216/823,609,167.81
  6. Step 6: Final answer
    x = 315,289,935.73

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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.