Home / 3,860,320,529.67-5,787,837,298.76-1,965,849,544.59

Finding the Fourth Proportional to 3,860,320,529.67, 5,787,837,298.76 and 1,965,849,544.59

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Solution

The fourth proportional to 3,860,320,529.67, 5,787,837,298.76 and 1,965,849,544.59 is: 2,947,428,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,320,529.67 : 5,787,837,298.76 = 1,965,849,544.59 : x
  2. Step 2: Convert to fraction form
    3,860,320,529.67/5,787,837,298.76 = 1,965,849,544.59/x
  3. Step 3: Cross multiply
    3,860,320,529.67x = 5,787,837,298.76 × 1,965,849,544.59
  4. Step 4: Simplify right side
    3,860,320,529.67x = 11,378,017,317,918,531,584
  5. Step 5: Solve for x
    x = 11,378,017,317,918,531,584/3,860,320,529.67
  6. Step 6: Final answer
    x = 2,947,428,129.47

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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.