Home / 1,905,379,307.27-2,857,087,621.82-855,217,233.48

Finding the Fourth Proportional to 1,905,379,307.27, 2,857,087,621.82 and 855,217,233.48

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Solution

The fourth proportional to 1,905,379,307.27, 2,857,087,621.82 and 855,217,233.48 is: 1,282,385,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,379,307.27 : 2,857,087,621.82 = 855,217,233.48 : x
  2. Step 2: Convert to fraction form
    1,905,379,307.27/2,857,087,621.82 = 855,217,233.48/x
  3. Step 3: Cross multiply
    1,905,379,307.27x = 2,857,087,621.82 × 855,217,233.48
  4. Step 4: Simplify right side
    1,905,379,307.27x = 2,443,430,571,744,991,232
  5. Step 5: Solve for x
    x = 2,443,430,571,744,991,232/1,905,379,307.27
  6. Step 6: Final answer
    x = 1,282,385,382.49

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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.