Home / 664,308,000.40-996,462,000.60-354,371,609.20

Finding the Fourth Proportional to 664,308,000.40, 996,462,000.60 and 354,371,609.20

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Solution

The fourth proportional to 664,308,000.40, 996,462,000.60 and 354,371,609.20 is: 531,557,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,000.40 : 996,462,000.60 = 354,371,609.20 : x
  2. Step 2: Convert to fraction form
    664,308,000.40/996,462,000.60 = 354,371,609.20/x
  3. Step 3: Cross multiply
    664,308,000.40x = 996,462,000.60 × 354,371,609.20
  4. Step 4: Simplify right side
    664,308,000.40x = 353,117,842,659,273,344
  5. Step 5: Solve for x
    x = 353,117,842,659,273,344/664,308,000.40
  6. Step 6: Final answer
    x = 531,557,413.80

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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.