Home / 8,978,720,328.80-13,468,080,493.20-4,080,960,072.80

Finding the Fourth Proportional to 8,978,720,328.80, 13,468,080,493.20 and 4,080,960,072.80

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Solution

The fourth proportional to 8,978,720,328.80, 13,468,080,493.20 and 4,080,960,072.80 is: 6,121,440,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,720,328.80 : 13,468,080,493.20 = 4,080,960,072.80 : x
  2. Step 2: Convert to fraction form
    8,978,720,328.80/13,468,080,493.20 = 4,080,960,072.80/x
  3. Step 3: Cross multiply
    8,978,720,328.80x = 13,468,080,493.20 × 4,080,960,072.80
  4. Step 4: Simplify right side
    8,978,720,328.80x = 54,962,698,750,005,739,520
  5. Step 5: Solve for x
    x = 54,962,698,750,005,739,520/8,978,720,328.80
  6. Step 6: Final answer
    x = 6,121,440,109.20

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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.