Home / 1,078,188,991.83-1,613,028,194.40-816,627,018.87

Finding the Fourth Proportional to 1,078,188,991.83, 1,613,028,194.40 and 816,627,018.87

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Solution

The fourth proportional to 1,078,188,991.83, 1,613,028,194.40 and 816,627,018.87 is: 1,221,717,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,188,991.83 : 1,613,028,194.40 = 816,627,018.87 : x
  2. Step 2: Convert to fraction form
    1,078,188,991.83/1,613,028,194.40 = 816,627,018.87/x
  3. Step 3: Cross multiply
    1,078,188,991.83x = 1,613,028,194.40 × 816,627,018.87
  4. Step 4: Simplify right side
    1,078,188,991.83x = 1,317,242,405,746,130,944
  5. Step 5: Solve for x
    x = 1,317,242,405,746,130,944/1,078,188,991.83
  6. Step 6: Final answer
    x = 1,221,717,542.78

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1.5x scale

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.