Home / 664,357,779.80-996,531,420.90-173,070,099.80

Finding the Fourth Proportional to 664,357,779.80, 996,531,420.90 and 173,070,099.80

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Solution

The fourth proportional to 664,357,779.80, 996,531,420.90 and 173,070,099.80 is: 259,603,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,357,779.80 : 996,531,420.90 = 173,070,099.80 : x
  2. Step 2: Convert to fraction form
    664,357,779.80/996,531,420.90 = 173,070,099.80/x
  3. Step 3: Cross multiply
    664,357,779.80x = 996,531,420.90 × 173,070,099.80
  4. Step 4: Simplify right side
    664,357,779.80x = 172,469,792,468,998,816
  5. Step 5: Solve for x
    x = 172,469,792,468,998,816/664,357,779.80
  6. Step 6: Final answer
    x = 259,603,782.35

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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.