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Finding the Fourth Proportional to 18,922,770,003.80, 28,384,155,005.70 and 18,922,770,003.80

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Solution

The fourth proportional to 18,922,770,003.80, 28,384,155,005.70 and 18,922,770,003.80 is: 28,384,155,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922,770,003.80 : 28,384,155,005.70 = 18,922,770,003.80 : x
  2. Step 2: Convert to fraction form
    18,922,770,003.80/28,384,155,005.70 = 18,922,770,003.80/x
  3. Step 3: Cross multiply
    18,922,770,003.80x = 28,384,155,005.70 × 18,922,770,003.80
  4. Step 4: Simplify right side
    18,922,770,003.80x = 537,106,836,925,069,590,528
  5. Step 5: Solve for x
    x = 537,106,836,925,069,590,528/18,922,770,003.80
  6. Step 6: Final answer
    x = 28,384,155,005.70

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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.