Home / 1,204,149,514.05-1,805,690,412.54-643,775,364.27

Finding the Fourth Proportional to 1,204,149,514.05, 1,805,690,412.54 and 643,775,364.27

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Solution

The fourth proportional to 1,204,149,514.05, 1,805,690,412.54 and 643,775,364.27 is: 965,377,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,149,514.05 : 1,805,690,412.54 = 643,775,364.27 : x
  2. Step 2: Convert to fraction form
    1,204,149,514.05/1,805,690,412.54 = 643,775,364.27/x
  3. Step 3: Cross multiply
    1,204,149,514.05x = 1,805,690,412.54 × 643,775,364.27
  4. Step 4: Simplify right side
    1,204,149,514.05x = 1,162,459,003,091,784,960
  5. Step 5: Solve for x
    x = 1,162,459,003,091,784,960/1,204,149,514.05
  6. Step 6: Final answer
    x = 965,377,629.21

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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.