Home / 341,172,415.90-511,758,623.85-279,950,412.70

Finding the Fourth Proportional to 341,172,415.90, 511,758,623.85 and 279,950,412.70

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Solution

The fourth proportional to 341,172,415.90, 511,758,623.85 and 279,950,412.70 is: 419,925,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,172,415.90 : 511,758,623.85 = 279,950,412.70 : x
  2. Step 2: Convert to fraction form
    341,172,415.90/511,758,623.85 = 279,950,412.70/x
  3. Step 3: Cross multiply
    341,172,415.90x = 511,758,623.85 × 279,950,412.70
  4. Step 4: Simplify right side
    341,172,415.90x = 143,267,037,949,591,568
  5. Step 5: Solve for x
    x = 143,267,037,949,591,568/341,172,415.90
  6. Step 6: Final answer
    x = 419,925,619.05

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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.