Home / 21,387,396,512.65-32,068,019,325.37-10,198,692,790.34

Finding the Fourth Proportional to 21,387,396,512.65, 32,068,019,325.37 and 10,198,692,790.34

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Solution

The fourth proportional to 21,387,396,512.65, 32,068,019,325.37 and 10,198,692,790.34 is: 15,291,804,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,396,512.65 : 32,068,019,325.37 = 10,198,692,790.34 : x
  2. Step 2: Convert to fraction form
    21,387,396,512.65/32,068,019,325.37 = 10,198,692,790.34/x
  3. Step 3: Cross multiply
    21,387,396,512.65x = 32,068,019,325.37 × 10,198,692,790.34
  4. Step 4: Simplify right side
    21,387,396,512.65x = 327,051,877,493,954,052,096
  5. Step 5: Solve for x
    x = 327,051,877,493,954,052,096/21,387,396,512.65
  6. Step 6: Final answer
    x = 15,291,804,091.28

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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.