Home / 412,330,211.30-618,943,476.98-166,855,849.22

Finding the Fourth Proportional to 412,330,211.30, 618,943,476.98 and 166,855,849.22

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Solution

The fourth proportional to 412,330,211.30, 618,943,476.98 and 166,855,849.22 is: 250,465,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,330,211.30 : 618,943,476.98 = 166,855,849.22 : x
  2. Step 2: Convert to fraction form
    412,330,211.30/618,943,476.98 = 166,855,849.22/x
  3. Step 3: Cross multiply
    412,330,211.30x = 618,943,476.98 × 166,855,849.22
  4. Step 4: Simplify right side
    412,330,211.30x = 103,274,339,467,999,840
  5. Step 5: Solve for x
    x = 103,274,339,467,999,840/412,330,211.30
  6. Step 6: Final answer
    x = 250,465,128.77

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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.