Home / 852,587,964.82-1,176,573,214.84-481,309,996.20

Finding the Fourth Proportional to 852,587,964.82, 1,176,573,214.84 and 481,309,996.20

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Solution

The fourth proportional to 852,587,964.82, 1,176,573,214.84 and 481,309,996.20 is: 664,208,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,587,964.82 : 1,176,573,214.84 = 481,309,996.20 : x
  2. Step 2: Convert to fraction form
    852,587,964.82/1,176,573,214.84 = 481,309,996.20/x
  3. Step 3: Cross multiply
    852,587,964.82x = 1,176,573,214.84 × 481,309,996.20
  4. Step 4: Simplify right side
    852,587,964.82x = 566,296,449,563,662,144
  5. Step 5: Solve for x
    x = 566,296,449,563,662,144/852,587,964.82
  6. Step 6: Final answer
    x = 664,208,824.11

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Double scale
Find fourth proportional to 852,587,965.82, 1,176,573,216.22 and 481,309,997.20
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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.