Home / 420,749,168.22-580,622,714.19-235,111,709.34

Finding the Fourth Proportional to 420,749,168.22, 580,622,714.19 and 235,111,709.34

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Solution

The fourth proportional to 420,749,168.22, 580,622,714.19 and 235,111,709.34 is: 324,447,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,749,168.22 : 580,622,714.19 = 235,111,709.34 : x
  2. Step 2: Convert to fraction form
    420,749,168.22/580,622,714.19 = 235,111,709.34/x
  3. Step 3: Cross multiply
    420,749,168.22x = 580,622,714.19 × 235,111,709.34
  4. Step 4: Simplify right side
    420,749,168.22x = 136,511,198,814,841,184
  5. Step 5: Solve for x
    x = 136,511,198,814,841,184/420,749,168.22
  6. Step 6: Final answer
    x = 324,447,935.08

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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.