Home / 5,136,667,607.88-7,088,637,578.58-2,789,824,151.88

Finding the Fourth Proportional to 5,136,667,607.88, 7,088,637,578.58 and 2,789,824,151.88

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Solution

The fourth proportional to 5,136,667,607.88, 7,088,637,578.58 and 2,789,824,151.88 is: 3,849,977,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,667,607.88 : 7,088,637,578.58 = 2,789,824,151.88 : x
  2. Step 2: Convert to fraction form
    5,136,667,607.88/7,088,637,578.58 = 2,789,824,151.88/x
  3. Step 3: Cross multiply
    5,136,667,607.88x = 7,088,637,578.58 × 2,789,824,151.88
  4. Step 4: Simplify right side
    5,136,667,607.88x = 19,776,052,320,646,647,808
  5. Step 5: Solve for x
    x = 19,776,052,320,646,647,808/5,136,667,607.88
  6. Step 6: Final answer
    x = 3,849,977,033.81

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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.