Home / 5,189,111,121.90-7,784,091,485.73-1,508,611,971.18

Finding the Fourth Proportional to 5,189,111,121.90, 7,784,091,485.73 and 1,508,611,971.18

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Solution

The fourth proportional to 5,189,111,121.90, 7,784,091,485.73 and 1,508,611,971.18 is: 2,263,041,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,111,121.90 : 7,784,091,485.73 = 1,508,611,971.18 : x
  2. Step 2: Convert to fraction form
    5,189,111,121.90/7,784,091,485.73 = 1,508,611,971.18/x
  3. Step 3: Cross multiply
    5,189,111,121.90x = 7,784,091,485.73 × 1,508,611,971.18
  4. Step 4: Simplify right side
    5,189,111,121.90x = 11,743,173,600,132,589,568
  5. Step 5: Solve for x
    x = 11,743,173,600,132,589,568/5,189,111,121.90
  6. Step 6: Final answer
    x = 2,263,041,458.21

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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.