Home / 6,449,566,336.80-8,900,379,718.56-3,630,172,629.12

Finding the Fourth Proportional to 6,449,566,336.80, 8,900,379,718.56 and 3,630,172,629.12

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Solution

The fourth proportional to 6,449,566,336.80, 8,900,379,718.56 and 3,630,172,629.12 is: 5,009,625,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449,566,336.80 : 8,900,379,718.56 = 3,630,172,629.12 : x
  2. Step 2: Convert to fraction form
    6,449,566,336.80/8,900,379,718.56 = 3,630,172,629.12/x
  3. Step 3: Cross multiply
    6,449,566,336.80x = 8,900,379,718.56 × 3,630,172,629.12
  4. Step 4: Simplify right side
    6,449,566,336.80x = 32,309,914,843,091,279,872
  5. Step 5: Solve for x
    x = 32,309,914,843,091,279,872/6,449,566,336.80
  6. Step 6: Final answer
    x = 5,009,625,943.18

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Double scale
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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.