Home / 1,367,077,332.56-1,886,870,216.21-831,115,112.42

Finding the Fourth Proportional to 1,367,077,332.56, 1,886,870,216.21 and 831,115,112.42

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Solution

The fourth proportional to 1,367,077,332.56, 1,886,870,216.21 and 831,115,112.42 is: 1,147,123,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,077,332.56 : 1,886,870,216.21 = 831,115,112.42 : x
  2. Step 2: Convert to fraction form
    1,367,077,332.56/1,886,870,216.21 = 831,115,112.42/x
  3. Step 3: Cross multiply
    1,367,077,332.56x = 1,886,870,216.21 × 831,115,112.42
  4. Step 4: Simplify right side
    1,367,077,332.56x = 1,568,206,351,853,733,888
  5. Step 5: Solve for x
    x = 1,568,206,351,853,733,888/1,367,077,332.56
  6. Step 6: Final answer
    x = 1,147,123,366.40

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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.