Home / 351,311,057.88-484,650,284.22-212,037,299.16

Finding the Fourth Proportional to 351,311,057.88, 484,650,284.22 and 212,037,299.16

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Solution

The fourth proportional to 351,311,057.88, 484,650,284.22 and 212,037,299.16 is: 292,515,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,311,057.88 : 484,650,284.22 = 212,037,299.16 : x
  2. Step 2: Convert to fraction form
    351,311,057.88/484,650,284.22 = 212,037,299.16/x
  3. Step 3: Cross multiply
    351,311,057.88x = 484,650,284.22 × 212,037,299.16
  4. Step 4: Simplify right side
    351,311,057.88x = 102,763,937,303,135,168
  5. Step 5: Solve for x
    x = 102,763,937,303,135,168/351,311,057.88
  6. Step 6: Final answer
    x = 292,515,521.50

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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.