Home / 12,771,364,144.80-19,157,046,217.20-10,621,455,664.80

Finding the Fourth Proportional to 12,771,364,144.80, 19,157,046,217.20 and 10,621,455,664.80

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Solution

The fourth proportional to 12,771,364,144.80, 19,157,046,217.20 and 10,621,455,664.80 is: 15,932,183,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,364,144.80 : 19,157,046,217.20 = 10,621,455,664.80 : x
  2. Step 2: Convert to fraction form
    12,771,364,144.80/19,157,046,217.20 = 10,621,455,664.80/x
  3. Step 3: Cross multiply
    12,771,364,144.80x = 19,157,046,217.20 × 10,621,455,664.80
  4. Step 4: Simplify right side
    12,771,364,144.80x = 203,475,717,064,514,338,816
  5. Step 5: Solve for x
    x = 203,475,717,064,514,338,816/12,771,364,144.80
  6. Step 6: Final answer
    x = 15,932,183,497.20

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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.