Home / 21,843,053,516.52-30,143,199,253.86-11,818,328,406.12

Finding the Fourth Proportional to 21,843,053,516.52, 30,143,199,253.86 and 11,818,328,406.12

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Solution

The fourth proportional to 21,843,053,516.52, 30,143,199,253.86 and 11,818,328,406.12 is: 16,309,177,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843,053,516.52 : 30,143,199,253.86 = 11,818,328,406.12 : x
  2. Step 2: Convert to fraction form
    21,843,053,516.52/30,143,199,253.86 = 11,818,328,406.12/x
  3. Step 3: Cross multiply
    21,843,053,516.52x = 30,143,199,253.86 × 11,818,328,406.12
  4. Step 4: Simplify right side
    21,843,053,516.52x = 356,242,227,993,228,869,632
  5. Step 5: Solve for x
    x = 356,242,227,993,228,869,632/21,843,053,516.52
  6. Step 6: Final answer
    x = 16,309,177,090.27

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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.