Home / 10,920,485,731.30-15,080,678,474.68-10,325,544,632.26

Finding the Fourth Proportional to 10,920,485,731.30, 15,080,678,474.68 and 10,325,544,632.26

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Solution

The fourth proportional to 10,920,485,731.30, 15,080,678,474.68 and 10,325,544,632.26 is: 14,259,092,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,485,731.30 : 15,080,678,474.68 = 10,325,544,632.26 : x
  2. Step 2: Convert to fraction form
    10,920,485,731.30/15,080,678,474.68 = 10,325,544,632.26/x
  3. Step 3: Cross multiply
    10,920,485,731.30x = 15,080,678,474.68 × 10,325,544,632.26
  4. Step 4: Simplify right side
    10,920,485,731.30x = 155,716,218,675,070,992,384
  5. Step 5: Solve for x
    x = 155,716,218,675,070,992,384/10,920,485,731.30
  6. Step 6: Final answer
    x = 14,259,092,727.79

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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.