Home / 31,714,520,558.72-43,753,651,986.04-18,158,913,691.52

Finding the Fourth Proportional to 31,714,520,558.72, 43,753,651,986.04 and 18,158,913,691.52

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Solution

The fourth proportional to 31,714,520,558.72, 43,753,651,986.04 and 18,158,913,691.52 is: 25,052,208,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714,520,558.72 : 43,753,651,986.04 = 18,158,913,691.52 : x
  2. Step 2: Convert to fraction form
    31,714,520,558.72/43,753,651,986.04 = 18,158,913,691.52/x
  3. Step 3: Cross multiply
    31,714,520,558.72x = 43,753,651,986.04 × 18,158,913,691.52
  4. Step 4: Simplify right side
    31,714,520,558.72x = 794,518,790,103,047,864,320
  5. Step 5: Solve for x
    x = 794,518,790,103,047,864,320/31,714,520,558.72
  6. Step 6: Final answer
    x = 25,052,208,770.81

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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.