Home / 327,188,568.45-490,746,476.71-117,090,775.61

Finding the Fourth Proportional to 327,188,568.45, 490,746,476.71 and 117,090,775.61

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Solution

The fourth proportional to 327,188,568.45, 490,746,476.71 and 117,090,775.61 is: 175,623,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,188,568.45 : 490,746,476.71 = 117,090,775.61 : x
  2. Step 2: Convert to fraction form
    327,188,568.45/490,746,476.71 = 117,090,775.61/x
  3. Step 3: Cross multiply
    327,188,568.45x = 490,746,476.71 × 117,090,775.61
  4. Step 4: Simplify right side
    327,188,568.45x = 57,461,885,585,848,696
  5. Step 5: Solve for x
    x = 57,461,885,585,848,696/327,188,568.45
  6. Step 6: Final answer
    x = 175,623,145.57

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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.