Home / 12,654,857,218.77-18,968,998,019.54-4,257,847,835.46

Finding the Fourth Proportional to 12,654,857,218.77, 18,968,998,019.54 and 4,257,847,835.46

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Solution

The fourth proportional to 12,654,857,218.77, 18,968,998,019.54 and 4,257,847,835.46 is: 6,382,300,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,857,218.77 : 18,968,998,019.54 = 4,257,847,835.46 : x
  2. Step 2: Convert to fraction form
    12,654,857,218.77/18,968,998,019.54 = 4,257,847,835.46/x
  3. Step 3: Cross multiply
    12,654,857,218.77x = 18,968,998,019.54 × 4,257,847,835.46
  4. Step 4: Simplify right side
    12,654,857,218.77x = 80,767,107,158,322,118,656
  5. Step 5: Solve for x
    x = 80,767,107,158,322,118,656/12,654,857,218.77
  6. Step 6: Final answer
    x = 6,382,300,942.80

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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.