Home / 681,645,704,443.80-1,022,468,556,665.70-309,415,924,987.80

Finding the Fourth Proportional to 681,645,704,443.80, 1,022,468,556,665.70 and 309,415,924,987.80

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Solution

The fourth proportional to 681,645,704,443.80, 1,022,468,556,665.70 and 309,415,924,987.80 is: 464,123,887,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,645,704,443.80 : 1,022,468,556,665.70 = 309,415,924,987.80 : x
  2. Step 2: Convert to fraction form
    681,645,704,443.80/1,022,468,556,665.70 = 309,415,924,987.80/x
  3. Step 3: Cross multiply
    681,645,704,443.80x = 1,022,468,556,665.70 × 309,415,924,987.80
  4. Step 4: Simplify right side
    681,645,704,443.80x = 316,368,054,231,658,336,878,592
  5. Step 5: Solve for x
    x = 316,368,054,231,658,336,878,592/681,645,704,443.80
  6. Step 6: Final answer
    x = 464,123,887,481.70

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Double scale
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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.