Home / 37,341,485,402.76-51,531,405,112.26-20,194,338,681.12

Finding the Fourth Proportional to 37,341,485,402.76, 51,531,405,112.26 and 20,194,338,681.12

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Solution

The fourth proportional to 37,341,485,402.76, 51,531,405,112.26 and 20,194,338,681.12 is: 27,868,271,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,341,485,402.76 : 51,531,405,112.26 = 20,194,338,681.12 : x
  2. Step 2: Convert to fraction form
    37,341,485,402.76/51,531,405,112.26 = 20,194,338,681.12/x
  3. Step 3: Cross multiply
    37,341,485,402.76x = 51,531,405,112.26 × 20,194,338,681.12
  4. Step 4: Simplify right side
    37,341,485,402.76x = 1,040,642,647,550,976,983,040
  5. Step 5: Solve for x
    x = 1,040,642,647,550,976,983,040/37,341,485,402.76
  6. Step 6: Final answer
    x = 27,868,271,342.90

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Double scale
Find fourth proportional to 37,341,485,403.76, 51,531,405,113.64 and 20,194,338,682.12
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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.