Home / 1,192,821,590.46-1,788,633,767.23-694,992,988.15

Finding the Fourth Proportional to 1,192,821,590.46, 1,788,633,767.23 and 694,992,988.15

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Solution

The fourth proportional to 1,192,821,590.46, 1,788,633,767.23 and 694,992,988.15 is: 1,042,140,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,821,590.46 : 1,788,633,767.23 = 694,992,988.15 : x
  2. Step 2: Convert to fraction form
    1,192,821,590.46/1,788,633,767.23 = 694,992,988.15/x
  3. Step 3: Cross multiply
    1,192,821,590.46x = 1,788,633,767.23 × 694,992,988.15
  4. Step 4: Simplify right side
    1,192,821,590.46x = 1,243,087,926,586,960,128
  5. Step 5: Solve for x
    x = 1,243,087,926,586,960,128/1,192,821,590.46
  6. Step 6: Final answer
    x = 1,042,140,699.44

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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.