Home / 13,201,491,643.12-19,810,382,503.67-6,117,654,135.72

Finding the Fourth Proportional to 13,201,491,643.12, 19,810,382,503.67 and 6,117,654,135.72

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Solution

The fourth proportional to 13,201,491,643.12, 19,810,382,503.67 and 6,117,654,135.72 is: 9,180,255,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201,491,643.12 : 19,810,382,503.67 = 6,117,654,135.72 : x
  2. Step 2: Convert to fraction form
    13,201,491,643.12/19,810,382,503.67 = 6,117,654,135.72/x
  3. Step 3: Cross multiply
    13,201,491,643.12x = 19,810,382,503.67 × 6,117,654,135.72
  4. Step 4: Simplify right side
    13,201,491,643.12x = 121,193,068,453,771,902,976
  5. Step 5: Solve for x
    x = 121,193,068,453,771,902,976/13,201,491,643.12
  6. Step 6: Final answer
    x = 9,180,255,665.80

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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.