Home / 1,259,569,299.52-1,737,990,399.73-730,812,076.57

Finding the Fourth Proportional to 1,259,569,299.52, 1,737,990,399.73 and 730,812,076.57

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Solution

The fourth proportional to 1,259,569,299.52, 1,737,990,399.73 and 730,812,076.57 is: 1,008,395,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,569,299.52 : 1,737,990,399.73 = 730,812,076.57 : x
  2. Step 2: Convert to fraction form
    1,259,569,299.52/1,737,990,399.73 = 730,812,076.57/x
  3. Step 3: Cross multiply
    1,259,569,299.52x = 1,737,990,399.73 × 730,812,076.57
  4. Step 4: Simplify right side
    1,259,569,299.52x = 1,270,144,373,075,416,320
  5. Step 5: Solve for x
    x = 1,270,144,373,075,416,320/1,259,569,299.52
  6. Step 6: Final answer
    x = 1,008,395,785.42

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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.