Home / 394,090,212.35-591,135,318.53-248,971,389.95

Finding the Fourth Proportional to 394,090,212.35, 591,135,318.53 and 248,971,389.95

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Solution

The fourth proportional to 394,090,212.35, 591,135,318.53 and 248,971,389.95 is: 373,457,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,090,212.35 : 591,135,318.53 = 248,971,389.95 : x
  2. Step 2: Convert to fraction form
    394,090,212.35/591,135,318.53 = 248,971,389.95/x
  3. Step 3: Cross multiply
    394,090,212.35x = 591,135,318.53 × 248,971,389.95
  4. Step 4: Simplify right side
    394,090,212.35x = 147,175,781,901,705,216
  5. Step 5: Solve for x
    x = 147,175,781,901,705,216/394,090,212.35
  6. Step 6: Final answer
    x = 373,457,084.93

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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.