Home / 37,341,485,385.76-51,531,405,088.86-20,194,338,664.12

Finding the Fourth Proportional to 37,341,485,385.76, 51,531,405,088.86 and 20,194,338,664.12

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Solution

The fourth proportional to 37,341,485,385.76, 51,531,405,088.86 and 20,194,338,664.12 is: 27,868,271,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,341,485,385.76 : 51,531,405,088.86 = 20,194,338,664.12 : x
  2. Step 2: Convert to fraction form
    37,341,485,385.76/51,531,405,088.86 = 20,194,338,664.12/x
  3. Step 3: Cross multiply
    37,341,485,385.76x = 51,531,405,088.86 × 20,194,338,664.12
  4. Step 4: Simplify right side
    37,341,485,385.76x = 1,040,642,646,202,395,525,120
  5. Step 5: Solve for x
    x = 1,040,642,646,202,395,525,120/37,341,485,385.76
  6. Step 6: Final answer
    x = 27,868,271,319.47

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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.