Home / 826,173,743.22-1,140,147,749.34-449,844,927.30

Finding the Fourth Proportional to 826,173,743.22, 1,140,147,749.34 and 449,844,927.30

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Solution

The fourth proportional to 826,173,743.22, 1,140,147,749.34 and 449,844,927.30 is: 620,801,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,173,743.22 : 1,140,147,749.34 = 449,844,927.30 : x
  2. Step 2: Convert to fraction form
    826,173,743.22/1,140,147,749.34 = 449,844,927.30/x
  3. Step 3: Cross multiply
    826,173,743.22x = 1,140,147,749.34 × 449,844,927.30
  4. Step 4: Simplify right side
    826,173,743.22x = 512,889,681,413,110,912
  5. Step 5: Solve for x
    x = 512,889,681,413,110,912/826,173,743.22
  6. Step 6: Final answer
    x = 620,801,236.57

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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.