Home / 30,245,336,738.80-45,368,005,108.20-12,794,798,345.20

Finding the Fourth Proportional to 30,245,336,738.80, 45,368,005,108.20 and 12,794,798,345.20

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Solution

The fourth proportional to 30,245,336,738.80, 45,368,005,108.20 and 12,794,798,345.20 is: 19,192,197,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245,336,738.80 : 45,368,005,108.20 = 12,794,798,345.20 : x
  2. Step 2: Convert to fraction form
    30,245,336,738.80/45,368,005,108.20 = 12,794,798,345.20/x
  3. Step 3: Cross multiply
    30,245,336,738.80x = 45,368,005,108.20 × 12,794,798,345.20
  4. Step 4: Simplify right side
    30,245,336,738.80x = 580,474,476,683,422,531,584
  5. Step 5: Solve for x
    x = 580,474,476,683,422,531,584/30,245,336,738.80
  6. Step 6: Final answer
    x = 19,192,197,517.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.