Home / 7,863,876,984.80-11,795,815,477.20-4,778,086,469.60

Finding the Fourth Proportional to 7,863,876,984.80, 11,795,815,477.20 and 4,778,086,469.60

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Solution

The fourth proportional to 7,863,876,984.80, 11,795,815,477.20 and 4,778,086,469.60 is: 7,167,129,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,876,984.80 : 11,795,815,477.20 = 4,778,086,469.60 : x
  2. Step 2: Convert to fraction form
    7,863,876,984.80/11,795,815,477.20 = 4,778,086,469.60/x
  3. Step 3: Cross multiply
    7,863,876,984.80x = 11,795,815,477.20 × 4,778,086,469.60
  4. Step 4: Simplify right side
    7,863,876,984.80x = 56,361,426,329,507,594,240
  5. Step 5: Solve for x
    x = 56,361,426,329,507,594,240/7,863,876,984.80
  6. Step 6: Final answer
    x = 7,167,129,704.40

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1.5x scale

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.