Home / 419,905,053.30-629,857,579.95-147,240,390.90

Finding the Fourth Proportional to 419,905,053.30, 629,857,579.95 and 147,240,390.90

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Solution

The fourth proportional to 419,905,053.30, 629,857,579.95 and 147,240,390.90 is: 220,860,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,053.30 : 629,857,579.95 = 147,240,390.90 : x
  2. Step 2: Convert to fraction form
    419,905,053.30/629,857,579.95 = 147,240,390.90/x
  3. Step 3: Cross multiply
    419,905,053.30x = 629,857,579.95 × 147,240,390.90
  4. Step 4: Simplify right side
    419,905,053.30x = 92,740,476,283,166,016
  5. Step 5: Solve for x
    x = 92,740,476,283,166,016/419,905,053.30
  6. Step 6: Final answer
    x = 220,860,586.35

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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.