Home / 15,599,871,652.29-21,527,864,163.99-8,463,285,242.43

Finding the Fourth Proportional to 15,599,871,652.29, 21,527,864,163.99 and 8,463,285,242.43

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Solution

The fourth proportional to 15,599,871,652.29, 21,527,864,163.99 and 8,463,285,242.43 is: 11,679,356,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599,871,652.29 : 21,527,864,163.99 = 8,463,285,242.43 : x
  2. Step 2: Convert to fraction form
    15,599,871,652.29/21,527,864,163.99 = 8,463,285,242.43/x
  3. Step 3: Cross multiply
    15,599,871,652.29x = 21,527,864,163.99 × 8,463,285,242.43
  4. Step 4: Simplify right side
    15,599,871,652.29x = 182,196,455,080,134,246,400
  5. Step 5: Solve for x
    x = 182,196,455,080,134,246,400/15,599,871,652.29
  6. Step 6: Final answer
    x = 11,679,356,031.97

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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.