Home / 891,042,450.48-1,229,538,854.03-494,582,150.07

Finding the Fourth Proportional to 891,042,450.48, 1,229,538,854.03 and 494,582,150.07

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Solution

The fourth proportional to 891,042,450.48, 1,229,538,854.03 and 494,582,150.07 is: 682,468,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,042,450.48 : 1,229,538,854.03 = 494,582,150.07 : x
  2. Step 2: Convert to fraction form
    891,042,450.48/1,229,538,854.03 = 494,582,150.07/x
  3. Step 3: Cross multiply
    891,042,450.48x = 1,229,538,854.03 × 494,582,150.07
  4. Step 4: Simplify right side
    891,042,450.48x = 608,107,970,018,288,384
  5. Step 5: Solve for x
    x = 608,107,970,018,288,384/891,042,450.48
  6. Step 6: Final answer
    x = 682,468,012.26

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Double scale
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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.