Home / 36,121,501,649.20-49,836,426,348.72-20,874,038,635.12

Finding the Fourth Proportional to 36,121,501,649.20, 49,836,426,348.72 and 20,874,038,635.12

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Solution

The fourth proportional to 36,121,501,649.20, 49,836,426,348.72 and 20,874,038,635.12 is: 28,799,674,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,501,649.20 : 49,836,426,348.72 = 20,874,038,635.12 : x
  2. Step 2: Convert to fraction form
    36,121,501,649.20/49,836,426,348.72 = 20,874,038,635.12/x
  3. Step 3: Cross multiply
    36,121,501,649.20x = 49,836,426,348.72 × 20,874,038,635.12
  4. Step 4: Simplify right side
    36,121,501,649.20x = 1,040,287,489,039,493,627,904
  5. Step 5: Solve for x
    x = 1,040,287,489,039,493,627,904/36,121,501,649.20
  6. Step 6: Final answer
    x = 28,799,674,474.84

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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.