Home / 1,267,051,122,215.80-1,748,563,687,723.30-689,021,447,718

Finding the Fourth Proportional to 1,267,051,122,215.80, 1,748,563,687,723.30 and 689,021,447,718

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Solution

The fourth proportional to 1,267,051,122,215.80, 1,748,563,687,723.30 and 689,021,447,718 is: 950,867,618,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,051,122,215.80 : 1,748,563,687,723.30 = 689,021,447,718 : x
  2. Step 2: Convert to fraction form
    1,267,051,122,215.80/1,748,563,687,723.30 = 689,021,447,718/x
  3. Step 3: Cross multiply
    1,267,051,122,215.80x = 1,748,563,687,723.30 × 689,021,447,718
  4. Step 4: Simplify right side
    1,267,051,122,215.80x = 1,204,797,883,542,233,119,981,568
  5. Step 5: Solve for x
    x = 1,204,797,883,542,233,119,981,568/1,267,051,122,215.80
  6. Step 6: Final answer
    x = 950,867,618,849.74

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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.