Home / 1,383,017,974.13-1,908,570,554.54-747,938,465.92

Finding the Fourth Proportional to 1,383,017,974.13, 1,908,570,554.54 and 747,938,465.92

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Solution

The fourth proportional to 1,383,017,974.13, 1,908,570,554.54 and 747,938,465.92 is: 1,032,158,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,017,974.13 : 1,908,570,554.54 = 747,938,465.92 : x
  2. Step 2: Convert to fraction form
    1,383,017,974.13/1,908,570,554.54 = 747,938,465.92/x
  3. Step 3: Cross multiply
    1,383,017,974.13x = 1,908,570,554.54 × 747,938,465.92
  4. Step 4: Simplify right side
    1,383,017,974.13x = 1,427,493,332,664,200,448
  5. Step 5: Solve for x
    x = 1,427,493,332,664,200,448/1,383,017,974.13
  6. Step 6: Final answer
    x = 1,032,158,192.71

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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.