Home / 726,715,986.60-1,090,325,922.30-318,065,413.80

Finding the Fourth Proportional to 726,715,986.60, 1,090,325,922.30 and 318,065,413.80

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Solution

The fourth proportional to 726,715,986.60, 1,090,325,922.30 and 318,065,413.80 is: 477,208,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,715,986.60 : 1,090,325,922.30 = 318,065,413.80 : x
  2. Step 2: Convert to fraction form
    726,715,986.60/1,090,325,922.30 = 318,065,413.80/x
  3. Step 3: Cross multiply
    726,715,986.60x = 1,090,325,922.30 × 318,065,413.80
  4. Step 4: Simplify right side
    726,715,986.60x = 346,794,965,653,216,128
  5. Step 5: Solve for x
    x = 346,794,965,653,216,128/726,715,986.60
  6. Step 6: Final answer
    x = 477,208,389.59

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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.