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Finding the Fourth Proportional to 38,641,781,995.80, 57,962,672,993.70 and 38,641,781,995.80

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Solution

The fourth proportional to 38,641,781,995.80, 57,962,672,993.70 and 38,641,781,995.80 is: 57,962,672,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,641,781,995.80 : 57,962,672,993.70 = 38,641,781,995.80 : x
  2. Step 2: Convert to fraction form
    38,641,781,995.80/57,962,672,993.70 = 38,641,781,995.80/x
  3. Step 3: Cross multiply
    38,641,781,995.80x = 57,962,672,993.70 × 38,641,781,995.80
  4. Step 4: Simplify right side
    38,641,781,995.80x = 2,239,780,973,716,399,718,400
  5. Step 5: Solve for x
    x = 2,239,780,973,716,399,718,400/38,641,781,995.80
  6. Step 6: Final answer
    x = 57,962,672,993.70

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Double scale
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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.