Home / 1,991,036,024.72-2,747,219,524.80-1,144,099,700.72

Finding the Fourth Proportional to 1,991,036,024.72, 2,747,219,524.80 and 1,144,099,700.72

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Solution

The fourth proportional to 1,991,036,024.72, 2,747,219,524.80 and 1,144,099,700.72 is: 1,578,621,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,036,024.72 : 2,747,219,524.80 = 1,144,099,700.72 : x
  2. Step 2: Convert to fraction form
    1,991,036,024.72/2,747,219,524.80 = 1,144,099,700.72/x
  3. Step 3: Cross multiply
    1,991,036,024.72x = 2,747,219,524.80 × 1,144,099,700.72
  4. Step 4: Simplify right side
    1,991,036,024.72x = 3,143,093,036,135,820,800
  5. Step 5: Solve for x
    x = 3,143,093,036,135,820,800/1,991,036,024.72
  6. Step 6: Final answer
    x = 1,578,621,881.83

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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.