Home / 13,505,577,190.01-18,631,584,963.55-8,151,426,032.03

Finding the Fourth Proportional to 13,505,577,190.01, 18,631,584,963.55 and 8,151,426,032.03

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Solution

The fourth proportional to 13,505,577,190.01, 18,631,584,963.55 and 8,151,426,032.03 is: 11,245,279,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,577,190.01 : 18,631,584,963.55 = 8,151,426,032.03 : x
  2. Step 2: Convert to fraction form
    13,505,577,190.01/18,631,584,963.55 = 8,151,426,032.03/x
  3. Step 3: Cross multiply
    13,505,577,190.01x = 18,631,584,963.55 × 8,151,426,032.03
  4. Step 4: Simplify right side
    13,505,577,190.01x = 151,873,986,689,785,888,768
  5. Step 5: Solve for x
    x = 151,873,986,689,785,888,768/13,505,577,190.01
  6. Step 6: Final answer
    x = 11,245,279,231.91

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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.