Home / 619,108,352.80-929,071,136.82-328,179,779.38

Finding the Fourth Proportional to 619,108,352.80, 929,071,136.82 and 328,179,779.38

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Solution

The fourth proportional to 619,108,352.80, 929,071,136.82 and 328,179,779.38 is: 492,486,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,108,352.80 : 929,071,136.82 = 328,179,779.38 : x
  2. Step 2: Convert to fraction form
    619,108,352.80/929,071,136.82 = 328,179,779.38/x
  3. Step 3: Cross multiply
    619,108,352.80x = 929,071,136.82 × 328,179,779.38
  4. Step 4: Simplify right side
    619,108,352.80x = 304,902,360,709,913,408
  5. Step 5: Solve for x
    x = 304,902,360,709,913,408/619,108,352.80
  6. Step 6: Final answer
    x = 492,486,265.66

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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.