Home / 1,412,633,496.96-1,949,418,755.76-777,540,410.40

Finding the Fourth Proportional to 1,412,633,496.96, 1,949,418,755.76 and 777,540,410.40

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Solution

The fourth proportional to 1,412,633,496.96, 1,949,418,755.76 and 777,540,410.40 is: 1,072,997,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,633,496.96 : 1,949,418,755.76 = 777,540,410.40 : x
  2. Step 2: Convert to fraction form
    1,412,633,496.96/1,949,418,755.76 = 777,540,410.40/x
  3. Step 3: Cross multiply
    1,412,633,496.96x = 1,949,418,755.76 × 777,540,410.40
  4. Step 4: Simplify right side
    1,412,633,496.96x = 1,515,751,859,395,087,616
  5. Step 5: Solve for x
    x = 1,515,751,859,395,087,616/1,412,633,496.96
  6. Step 6: Final answer
    x = 1,072,997,251.34

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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.