Home / 305,056,146,077.83-420,977,550,302.67-167,878,972,311.10

Finding the Fourth Proportional to 305,056,146,077.83, 420,977,550,302.67 and 167,878,972,311.10

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Solution

The fourth proportional to 305,056,146,077.83, 420,977,550,302.67 and 167,878,972,311.10 is: 231,673,019,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,056,146,077.83 : 420,977,550,302.67 = 167,878,972,311.10 : x
  2. Step 2: Convert to fraction form
    305,056,146,077.83/420,977,550,302.67 = 167,878,972,311.10/x
  3. Step 3: Cross multiply
    305,056,146,077.83x = 420,977,550,302.67 × 167,878,972,311.10
  4. Step 4: Simplify right side
    305,056,146,077.83x = 70,673,278,510,856,644,067,328
  5. Step 5: Solve for x
    x = 70,673,278,510,856,644,067,328/305,056,146,077.83
  6. Step 6: Final answer
    x = 231,673,019,604.81

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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.