Home / 2,642,777,123.87-3,647,128,320.95-1,513,965,051.66

Finding the Fourth Proportional to 2,642,777,123.87, 3,647,128,320.95 and 1,513,965,051.66

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Solution

The fourth proportional to 2,642,777,123.87, 3,647,128,320.95 and 1,513,965,051.66 is: 2,089,326,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,777,123.87 : 3,647,128,320.95 = 1,513,965,051.66 : x
  2. Step 2: Convert to fraction form
    2,642,777,123.87/3,647,128,320.95 = 1,513,965,051.66/x
  3. Step 3: Cross multiply
    2,642,777,123.87x = 3,647,128,320.95 × 1,513,965,051.66
  4. Step 4: Simplify right side
    2,642,777,123.87x = 5,521,624,816,837,715,968
  5. Step 5: Solve for x
    x = 5,521,624,816,837,715,968/2,642,777,123.87
  6. Step 6: Final answer
    x = 2,089,326,703.71

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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.