Home / 541,014,382.96-812,046,344.42-261,092,290.53

Finding the Fourth Proportional to 541,014,382.96, 812,046,344.42 and 261,092,290.53

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Solution

The fourth proportional to 541,014,382.96, 812,046,344.42 and 261,092,290.53 is: 391,891,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,014,382.96 : 812,046,344.42 = 261,092,290.53 : x
  2. Step 2: Convert to fraction form
    541,014,382.96/812,046,344.42 = 261,092,290.53/x
  3. Step 3: Cross multiply
    541,014,382.96x = 812,046,344.42 × 261,092,290.53
  4. Step 4: Simplify right side
    541,014,382.96x = 212,019,040,081,131,072
  5. Step 5: Solve for x
    x = 212,019,040,081,131,072/541,014,382.96
  6. Step 6: Final answer
    x = 391,891,688.57

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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.