Home / 11,918,206,582.89-17,871,102,373.82-5,620,944,988

Finding the Fourth Proportional to 11,918,206,582.89, 17,871,102,373.82 and 5,620,944,988

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Solution

The fourth proportional to 11,918,206,582.89, 17,871,102,373.82 and 5,620,944,988 is: 8,428,489,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,206,582.89 : 17,871,102,373.82 = 5,620,944,988 : x
  2. Step 2: Convert to fraction form
    11,918,206,582.89/17,871,102,373.82 = 5,620,944,988/x
  3. Step 3: Cross multiply
    11,918,206,582.89x = 17,871,102,373.82 × 5,620,944,988
  4. Step 4: Simplify right side
    11,918,206,582.89x = 100,452,483,318,158,426,112
  5. Step 5: Solve for x
    x = 100,452,483,318,158,426,112/11,918,206,582.89
  6. Step 6: Final answer
    x = 8,428,489,858.73

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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.