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Finding the Fourth Proportional to 10,637,568,970.80, 15,956,353,456.20 and 10,637,568,970.80

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Solution

The fourth proportional to 10,637,568,970.80, 15,956,353,456.20 and 10,637,568,970.80 is: 15,956,353,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,568,970.80 : 15,956,353,456.20 = 10,637,568,970.80 : x
  2. Step 2: Convert to fraction form
    10,637,568,970.80/15,956,353,456.20 = 10,637,568,970.80/x
  3. Step 3: Cross multiply
    10,637,568,970.80x = 15,956,353,456.20 × 10,637,568,970.80
  4. Step 4: Simplify right side
    10,637,568,970.80x = 169,736,810,412,790,448,128
  5. Step 5: Solve for x
    x = 169,736,810,412,790,448,128/10,637,568,970.80
  6. Step 6: Final answer
    x = 15,956,353,456.20

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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.