Home / 1,819,204,015.51-2,510,509,105.20-983,828,585.80

Finding the Fourth Proportional to 1,819,204,015.51, 2,510,509,105.20 and 983,828,585.80

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Solution

The fourth proportional to 1,819,204,015.51, 2,510,509,105.20 and 983,828,585.80 is: 1,357,687,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,204,015.51 : 2,510,509,105.20 = 983,828,585.80 : x
  2. Step 2: Convert to fraction form
    1,819,204,015.51/2,510,509,105.20 = 983,828,585.80/x
  3. Step 3: Cross multiply
    1,819,204,015.51x = 2,510,509,105.20 × 983,828,585.80
  4. Step 4: Simplify right side
    1,819,204,015.51x = 2,469,910,622,606,939,136
  5. Step 5: Solve for x
    x = 2,469,910,622,606,939,136/1,819,204,015.51
  6. Step 6: Final answer
    x = 1,357,687,538.92

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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.