Home / 352,560,344.40-528,840,516.60-191,317,208.40

Finding the Fourth Proportional to 352,560,344.40, 528,840,516.60 and 191,317,208.40

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Solution

The fourth proportional to 352,560,344.40, 528,840,516.60 and 191,317,208.40 is: 286,975,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,560,344.40 : 528,840,516.60 = 191,317,208.40 : x
  2. Step 2: Convert to fraction form
    352,560,344.40/528,840,516.60 = 191,317,208.40/x
  3. Step 3: Cross multiply
    352,560,344.40x = 528,840,516.60 × 191,317,208.40
  4. Step 4: Simplify right side
    352,560,344.40x = 101,176,291,324,725,872
  5. Step 5: Solve for x
    x = 101,176,291,324,725,872/352,560,344.40
  6. Step 6: Final answer
    x = 286,975,812.60

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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.