Home / 341,172,571.40-511,758,857.10-279,950,568.20

Finding the Fourth Proportional to 341,172,571.40, 511,758,857.10 and 279,950,568.20

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Solution

The fourth proportional to 341,172,571.40, 511,758,857.10 and 279,950,568.20 is: 419,925,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,172,571.40 : 511,758,857.10 = 279,950,568.20 : x
  2. Step 2: Convert to fraction form
    341,172,571.40/511,758,857.10 = 279,950,568.20/x
  3. Step 3: Cross multiply
    341,172,571.40x = 511,758,857.10 × 279,950,568.20
  4. Step 4: Simplify right side
    341,172,571.40x = 143,267,182,826,527,600
  5. Step 5: Solve for x
    x = 143,267,182,826,527,600/341,172,571.40
  6. Step 6: Final answer
    x = 419,925,852.30

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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.