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Finding the Fourth Proportional to 1,366,051,369.06, 1,885,151,520 and 739,519,797

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Solution

The fourth proportional to 1,366,051,369.06, 1,885,151,520 and 739,519,797 is: 1,020,537,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,051,369.06 : 1,885,151,520 = 739,519,797 : x
  2. Step 2: Convert to fraction form
    1,366,051,369.06/1,885,151,520 = 739,519,797/x
  3. Step 3: Cross multiply
    1,366,051,369.06x = 1,885,151,520 × 739,519,797
  4. Step 4: Simplify right side
    1,366,051,369.06x = 1,394,106,869,384,641,536
  5. Step 5: Solve for x
    x = 1,394,106,869,384,641,536/1,366,051,369.06
  6. Step 6: Final answer
    x = 1,020,537,661.29

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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.