Home / 1,558,358,161.56-2,150,493,102.18-889,291,214.28

Finding the Fourth Proportional to 1,558,358,161.56, 2,150,493,102.18 and 889,291,214.28

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Solution

The fourth proportional to 1,558,358,161.56, 2,150,493,102.18 and 889,291,214.28 is: 1,227,198,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,358,161.56 : 2,150,493,102.18 = 889,291,214.28 : x
  2. Step 2: Convert to fraction form
    1,558,358,161.56/2,150,493,102.18 = 889,291,214.28/x
  3. Step 3: Cross multiply
    1,558,358,161.56x = 2,150,493,102.18 × 889,291,214.28
  4. Step 4: Simplify right side
    1,558,358,161.56x = 1,912,414,622,138,416,128
  5. Step 5: Solve for x
    x = 1,912,414,622,138,416,128/1,558,358,161.56
  6. Step 6: Final answer
    x = 1,227,198,386.94

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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.