Home / 1,690,785,883.12-2,333,301,418.20-948,213,998.32

Finding the Fourth Proportional to 1,690,785,883.12, 2,333,301,418.20 and 948,213,998.32

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Solution

The fourth proportional to 1,690,785,883.12, 2,333,301,418.20 and 948,213,998.32 is: 1,308,544,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,785,883.12 : 2,333,301,418.20 = 948,213,998.32 : x
  2. Step 2: Convert to fraction form
    1,690,785,883.12/2,333,301,418.20 = 948,213,998.32/x
  3. Step 3: Cross multiply
    1,690,785,883.12x = 2,333,301,418.20 × 948,213,998.32
  4. Step 4: Simplify right side
    1,690,785,883.12x = 2,212,469,067,037,148,416
  5. Step 5: Solve for x
    x = 2,212,469,067,037,148,416/1,690,785,883.12
  6. Step 6: Final answer
    x = 1,308,544,795.13

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Double scale
Find fourth proportional to 1,690,785,884.12, 2,333,301,419.58 and 948,213,999.32
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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.