Home / 38,321,183,998.80-57,481,775,998.20-18,704,463,512.40

Finding the Fourth Proportional to 38,321,183,998.80, 57,481,775,998.20 and 18,704,463,512.40

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Solution

The fourth proportional to 38,321,183,998.80, 57,481,775,998.20 and 18,704,463,512.40 is: 28,056,695,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321,183,998.80 : 57,481,775,998.20 = 18,704,463,512.40 : x
  2. Step 2: Convert to fraction form
    38,321,183,998.80/57,481,775,998.20 = 18,704,463,512.40/x
  3. Step 3: Cross multiply
    38,321,183,998.80x = 57,481,775,998.20 × 18,704,463,512.40
  4. Step 4: Simplify right side
    38,321,183,998.80x = 1,075,165,781,786,282,033,152
  5. Step 5: Solve for x
    x = 1,075,165,781,786,282,033,152/38,321,183,998.80
  6. Step 6: Final answer
    x = 28,056,695,268.60

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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.