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Finding the Fourth Proportional to 57,703,585,418.40, 86,555,378,127.60 and 57,703,585,418.40

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Solution

The fourth proportional to 57,703,585,418.40, 86,555,378,127.60 and 57,703,585,418.40 is: 86,555,378,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,703,585,418.40 : 86,555,378,127.60 = 57,703,585,418.40 : x
  2. Step 2: Convert to fraction form
    57,703,585,418.40/86,555,378,127.60 = 57,703,585,418.40/x
  3. Step 3: Cross multiply
    57,703,585,418.40x = 86,555,378,127.60 × 57,703,585,418.40
  4. Step 4: Simplify right side
    57,703,585,418.40x = 4,994,555,655,207,877,869,568
  5. Step 5: Solve for x
    x = 4,994,555,655,207,877,869,568/57,703,585,418.40
  6. Step 6: Final answer
    x = 86,555,378,127.60

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1.5x scale

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.