Home / 1,169,831,958.69-1,614,541,370.27-740,709,134.31

Finding the Fourth Proportional to 1,169,831,958.69, 1,614,541,370.27 and 740,709,134.31

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Solution

The fourth proportional to 1,169,831,958.69, 1,614,541,370.27 and 740,709,134.31 is: 1,022,288,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,831,958.69 : 1,614,541,370.27 = 740,709,134.31 : x
  2. Step 2: Convert to fraction form
    1,169,831,958.69/1,614,541,370.27 = 740,709,134.31/x
  3. Step 3: Cross multiply
    1,169,831,958.69x = 1,614,541,370.27 × 740,709,134.31
  4. Step 4: Simplify right side
    1,169,831,958.69x = 1,195,905,540,680,372,736
  5. Step 5: Solve for x
    x = 1,195,905,540,680,372,736/1,169,831,958.69
  6. Step 6: Final answer
    x = 1,022,288,313.97

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Double scale
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1.5x scale

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.