Home / 27,780,589,722.87-38,337,213,761.77-15,737,600,515.03

Finding the Fourth Proportional to 27,780,589,722.87, 38,337,213,761.77 and 15,737,600,515.03

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Solution

The fourth proportional to 27,780,589,722.87, 38,337,213,761.77 and 15,737,600,515.03 is: 21,717,888,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780,589,722.87 : 38,337,213,761.77 = 15,737,600,515.03 : x
  2. Step 2: Convert to fraction form
    27,780,589,722.87/38,337,213,761.77 = 15,737,600,515.03/x
  3. Step 3: Cross multiply
    27,780,589,722.87x = 38,337,213,761.77 × 15,737,600,515.03
  4. Step 4: Simplify right side
    27,780,589,722.87x = 603,335,755,041,938,604,032
  5. Step 5: Solve for x
    x = 603,335,755,041,938,604,032/27,780,589,722.87
  6. Step 6: Final answer
    x = 21,717,888,679.13

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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.