Home / 459,777,163.35-689,665,745.03-409,892,568.15

Finding the Fourth Proportional to 459,777,163.35, 689,665,745.03 and 409,892,568.15

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Solution

The fourth proportional to 459,777,163.35, 689,665,745.03 and 409,892,568.15 is: 614,838,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,777,163.35 : 689,665,745.03 = 409,892,568.15 : x
  2. Step 2: Convert to fraction form
    459,777,163.35/689,665,745.03 = 409,892,568.15/x
  3. Step 3: Cross multiply
    459,777,163.35x = 689,665,745.03 × 409,892,568.15
  4. Step 4: Simplify right side
    459,777,163.35x = 282,688,863,393,380,320
  5. Step 5: Solve for x
    x = 282,688,863,393,380,320/459,777,163.35
  6. Step 6: Final answer
    x = 614,838,852.23

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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.