Home / 13,505,577,192.55-18,631,584,967.04-8,151,426,034.57

Finding the Fourth Proportional to 13,505,577,192.55, 18,631,584,967.04 and 8,151,426,034.57

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Solution

The fourth proportional to 13,505,577,192.55, 18,631,584,967.04 and 8,151,426,034.57 is: 11,245,279,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,577,192.55 : 18,631,584,967.04 = 8,151,426,034.57 : x
  2. Step 2: Convert to fraction form
    13,505,577,192.55/18,631,584,967.04 = 8,151,426,034.57/x
  3. Step 3: Cross multiply
    13,505,577,192.55x = 18,631,584,967.04 × 8,151,426,034.57
  4. Step 4: Simplify right side
    13,505,577,192.55x = 151,873,986,765,590,953,984
  5. Step 5: Solve for x
    x = 151,873,986,765,590,953,984/13,505,577,192.55
  6. Step 6: Final answer
    x = 11,245,279,235.41

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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.