Home / 3,860,320,530.67-5,787,837,300.25-1,965,849,545.59

Finding the Fourth Proportional to 3,860,320,530.67, 5,787,837,300.25 and 1,965,849,545.59

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Solution

The fourth proportional to 3,860,320,530.67, 5,787,837,300.25 and 1,965,849,545.59 is: 2,947,428,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,320,530.67 : 5,787,837,300.25 = 1,965,849,545.59 : x
  2. Step 2: Convert to fraction form
    3,860,320,530.67/5,787,837,300.25 = 1,965,849,545.59/x
  3. Step 3: Cross multiply
    3,860,320,530.67x = 5,787,837,300.25 × 1,965,849,545.59
  4. Step 4: Simplify right side
    3,860,320,530.67x = 11,378,017,326,645,313,536
  5. Step 5: Solve for x
    x = 11,378,017,326,645,313,536/3,860,320,530.67
  6. Step 6: Final answer
    x = 2,947,428,130.97

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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.