Home / 618,220,919.73-853,153,187.81-335,968,963.29

Finding the Fourth Proportional to 618,220,919.73, 853,153,187.81 and 335,968,963.29

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Solution

The fourth proportional to 618,220,919.73, 853,153,187.81 and 335,968,963.29 is: 463,641,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,220,919.73 : 853,153,187.81 = 335,968,963.29 : x
  2. Step 2: Convert to fraction form
    618,220,919.73/853,153,187.81 = 335,968,963.29/x
  3. Step 3: Cross multiply
    618,220,919.73x = 853,153,187.81 × 335,968,963.29
  4. Step 4: Simplify right side
    618,220,919.73x = 286,632,992,034,404,512
  5. Step 5: Solve for x
    x = 286,632,992,034,404,512/618,220,919.73
  6. Step 6: Final answer
    x = 463,641,690.03

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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.