Home / 15,029,619,242.52-20,740,306,336.92-8,347,046,274.48

Finding the Fourth Proportional to 15,029,619,242.52, 20,740,306,336.92 and 8,347,046,274.48

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Solution

The fourth proportional to 15,029,619,242.52, 20,740,306,336.92 and 8,347,046,274.48 is: 11,518,608,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,619,242.52 : 20,740,306,336.92 = 8,347,046,274.48 : x
  2. Step 2: Convert to fraction form
    15,029,619,242.52/20,740,306,336.92 = 8,347,046,274.48/x
  3. Step 3: Cross multiply
    15,029,619,242.52x = 20,740,306,336.92 × 8,347,046,274.48
  4. Step 4: Simplify right side
    15,029,619,242.52x = 173,120,296,741,161,992,192
  5. Step 5: Solve for x
    x = 173,120,296,741,161,992,192/15,029,619,242.52
  6. Step 6: Final answer
    x = 11,518,608,285.92

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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.