Home / 1,147,344,561.82-1,721,317,599.90-360,366,426.38

Finding the Fourth Proportional to 1,147,344,561.82, 1,721,317,599.90 and 360,366,426.38

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Solution

The fourth proportional to 1,147,344,561.82, 1,721,317,599.90 and 360,366,426.38 is: 540,644,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,344,561.82 : 1,721,317,599.90 = 360,366,426.38 : x
  2. Step 2: Convert to fraction form
    1,147,344,561.82/1,721,317,599.90 = 360,366,426.38/x
  3. Step 3: Cross multiply
    1,147,344,561.82x = 1,721,317,599.90 × 360,366,426.38
  4. Step 4: Simplify right side
    1,147,344,561.82x = 620,305,072,140,961,664
  5. Step 5: Solve for x
    x = 620,305,072,140,961,664/1,147,344,561.82
  6. Step 6: Final answer
    x = 540,644,103.60

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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.