Home / 1,147,344,562.82-1,721,317,601.40-360,366,427.38

Finding the Fourth Proportional to 1,147,344,562.82, 1,721,317,601.40 and 360,366,427.38

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Solution

The fourth proportional to 1,147,344,562.82, 1,721,317,601.40 and 360,366,427.38 is: 540,644,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,344,562.82 : 1,721,317,601.40 = 360,366,427.38 : x
  2. Step 2: Convert to fraction form
    1,147,344,562.82/1,721,317,601.40 = 360,366,427.38/x
  3. Step 3: Cross multiply
    1,147,344,562.82x = 1,721,317,601.40 × 360,366,427.38
  4. Step 4: Simplify right side
    1,147,344,562.82x = 620,305,074,402,828,928
  5. Step 5: Solve for x
    x = 620,305,074,402,828,928/1,147,344,562.82
  6. Step 6: Final answer
    x = 540,644,105.10

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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.