Home / 30,165,997,130.37-41,634,141,761.82-17,486,664,126.21

Finding the Fourth Proportional to 30,165,997,130.37, 41,634,141,761.82 and 17,486,664,126.21

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Solution

The fourth proportional to 30,165,997,130.37, 41,634,141,761.82 and 17,486,664,126.21 is: 24,134,532,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,997,130.37 : 41,634,141,761.82 = 17,486,664,126.21 : x
  2. Step 2: Convert to fraction form
    30,165,997,130.37/41,634,141,761.82 = 17,486,664,126.21/x
  3. Step 3: Cross multiply
    30,165,997,130.37x = 41,634,141,761.82 × 17,486,664,126.21
  4. Step 4: Simplify right side
    30,165,997,130.37x = 728,042,253,171,959,398,400
  5. Step 5: Solve for x
    x = 728,042,253,171,959,398,400/30,165,997,130.37
  6. Step 6: Final answer
    x = 24,134,532,998.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.