Home / 1,818,177,389.92-2,509,083,716.88-982,801,973.44

Finding the Fourth Proportional to 1,818,177,389.92, 2,509,083,716.88 and 982,801,973.44

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Solution

The fourth proportional to 1,818,177,389.92, 2,509,083,716.88 and 982,801,973.44 is: 1,356,266,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,177,389.92 : 2,509,083,716.88 = 982,801,973.44 : x
  2. Step 2: Convert to fraction form
    1,818,177,389.92/2,509,083,716.88 = 982,801,973.44/x
  3. Step 3: Cross multiply
    1,818,177,389.92x = 2,509,083,716.88 × 982,801,973.44
  4. Step 4: Simplify right side
    1,818,177,389.92x = 2,465,932,428,475,834,368
  5. Step 5: Solve for x
    x = 2,465,932,428,475,834,368/1,818,177,389.92
  6. Step 6: Final answer
    x = 1,356,266,138.91

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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.