Home / 437,143,413.87-655,528,472.91-253,037,968.74

Finding the Fourth Proportional to 437,143,413.87, 655,528,472.91 and 253,037,968.74

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Solution

The fourth proportional to 437,143,413.87, 655,528,472.91 and 253,037,968.74 is: 379,448,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,143,413.87 : 655,528,472.91 = 253,037,968.74 : x
  2. Step 2: Convert to fraction form
    437,143,413.87/655,528,472.91 = 253,037,968.74/x
  3. Step 3: Cross multiply
    437,143,413.87x = 655,528,472.91 × 253,037,968.74
  4. Step 4: Simplify right side
    437,143,413.87x = 165,873,593,236,380,512
  5. Step 5: Solve for x
    x = 165,873,593,236,380,512/437,143,413.87
  6. Step 6: Final answer
    x = 379,448,913.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.