Home / 952,102,961.76-1,313,857,860.96-528,743,501.76

Finding the Fourth Proportional to 952,102,961.76, 1,313,857,860.96 and 528,743,501.76

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Solution

The fourth proportional to 952,102,961.76, 1,313,857,860.96 and 528,743,501.76 is: 729,641,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,102,961.76 : 1,313,857,860.96 = 528,743,501.76 : x
  2. Step 2: Convert to fraction form
    952,102,961.76/1,313,857,860.96 = 528,743,501.76/x
  3. Step 3: Cross multiply
    952,102,961.76x = 1,313,857,860.96 × 528,743,501.76
  4. Step 4: Simplify right side
    952,102,961.76x = 694,693,806,218,893,568
  5. Step 5: Solve for x
    x = 694,693,806,218,893,568/952,102,961.76
  6. Step 6: Final answer
    x = 729,641,471.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.