Home / 891,983,561.76-1,230,972,286.68-610,316,789.04

Finding the Fourth Proportional to 891,983,561.76, 1,230,972,286.68 and 610,316,789.04

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Solution

The fourth proportional to 891,983,561.76, 1,230,972,286.68 and 610,316,789.04 is: 842,261,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,983,561.76 : 1,230,972,286.68 = 610,316,789.04 : x
  2. Step 2: Convert to fraction form
    891,983,561.76/1,230,972,286.68 = 610,316,789.04/x
  3. Step 3: Cross multiply
    891,983,561.76x = 1,230,972,286.68 × 610,316,789.04
  4. Step 4: Simplify right side
    891,983,561.76x = 751,283,053,403,763,968
  5. Step 5: Solve for x
    x = 751,283,053,403,763,968/891,983,561.76
  6. Step 6: Final answer
    x = 842,261,097.19

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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.