Home / 8,139,647,791.80-12,210,367,482.90-2,970,909,487.80

Finding the Fourth Proportional to 8,139,647,791.80, 12,210,367,482.90 and 2,970,909,487.80

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Solution

The fourth proportional to 8,139,647,791.80, 12,210,367,482.90 and 2,970,909,487.80 is: 4,456,691,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,647,791.80 : 12,210,367,482.90 = 2,970,909,487.80 : x
  2. Step 2: Convert to fraction form
    8,139,647,791.80/12,210,367,482.90 = 2,970,909,487.80/x
  3. Step 3: Cross multiply
    8,139,647,791.80x = 12,210,367,482.90 × 2,970,909,487.80
  4. Step 4: Simplify right side
    8,139,647,791.80x = 36,275,896,604,472,213,504
  5. Step 5: Solve for x
    x = 36,275,896,604,472,213,504/8,139,647,791.80
  6. Step 6: Final answer
    x = 4,456,691,190.13

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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.