Home / 419,670,808.65-629,507,393.95-160,965,329.85

Finding the Fourth Proportional to 419,670,808.65, 629,507,393.95 and 160,965,329.85

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Solution

The fourth proportional to 419,670,808.65, 629,507,393.95 and 160,965,329.85 is: 241,448,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,670,808.65 : 629,507,393.95 = 160,965,329.85 : x
  2. Step 2: Convert to fraction form
    419,670,808.65/629,507,393.95 = 160,965,329.85/x
  3. Step 3: Cross multiply
    419,670,808.65x = 629,507,393.95 × 160,965,329.85
  4. Step 4: Simplify right side
    419,670,808.65x = 101,328,865,310,175,648
  5. Step 5: Solve for x
    x = 101,328,865,310,175,648/419,670,808.65
  6. Step 6: Final answer
    x = 241,448,447.74

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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.