Home / 1,151,769,980.91-1,590,540,309.87-1,089,022,286.88

Finding the Fourth Proportional to 1,151,769,980.91, 1,590,540,309.87 and 1,089,022,286.88

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Solution

The fourth proportional to 1,151,769,980.91, 1,590,540,309.87 and 1,089,022,286.88 is: 1,503,888,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,769,980.91 : 1,590,540,309.87 = 1,089,022,286.88 : x
  2. Step 2: Convert to fraction form
    1,151,769,980.91/1,590,540,309.87 = 1,089,022,286.88/x
  3. Step 3: Cross multiply
    1,151,769,980.91x = 1,590,540,309.87 × 1,089,022,286.88
  4. Step 4: Simplify right side
    1,151,769,980.91x = 1,732,133,845,625,422,080
  5. Step 5: Solve for x
    x = 1,732,133,845,625,422,080/1,151,769,980.91
  6. Step 6: Final answer
    x = 1,503,888,688.13

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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.