Home / 11,491,141,980.80-15,857,768,770.88-6,210,744,204.80

Finding the Fourth Proportional to 11,491,141,980.80, 15,857,768,770.88 and 6,210,744,204.80

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Solution

The fourth proportional to 11,491,141,980.80, 15,857,768,770.88 and 6,210,744,204.80 is: 8,570,823,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,141,980.80 : 15,857,768,770.88 = 6,210,744,204.80 : x
  2. Step 2: Convert to fraction form
    11,491,141,980.80/15,857,768,770.88 = 6,210,744,204.80/x
  3. Step 3: Cross multiply
    11,491,141,980.80x = 15,857,768,770.88 × 6,210,744,204.80
  4. Step 4: Simplify right side
    11,491,141,980.80x = 98,488,545,494,809,968,640
  5. Step 5: Solve for x
    x = 98,488,545,494,809,968,640/11,491,141,980.80
  6. Step 6: Final answer
    x = 8,570,823,131.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.