Home / 1,207,486,077.14-1,666,336,429.42-685,993,924.82

Finding the Fourth Proportional to 1,207,486,077.14, 1,666,336,429.42 and 685,993,924.82

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Solution

The fourth proportional to 1,207,486,077.14, 1,666,336,429.42 and 685,993,924.82 is: 946,674,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,486,077.14 : 1,666,336,429.42 = 685,993,924.82 : x
  2. Step 2: Convert to fraction form
    1,207,486,077.14/1,666,336,429.42 = 685,993,924.82/x
  3. Step 3: Cross multiply
    1,207,486,077.14x = 1,666,336,429.42 × 685,993,924.82
  4. Step 4: Simplify right side
    1,207,486,077.14x = 1,143,096,667,288,370,816
  5. Step 5: Solve for x
    x = 1,143,096,667,288,370,816/1,207,486,077.14
  6. Step 6: Final answer
    x = 946,674,822.12

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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.