Home / 618,220,912.92-853,153,178.42-335,968,956.48

Finding the Fourth Proportional to 618,220,912.92, 853,153,178.42 and 335,968,956.48

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Solution

The fourth proportional to 618,220,912.92, 853,153,178.42 and 335,968,956.48 is: 463,641,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,220,912.92 : 853,153,178.42 = 335,968,956.48 : x
  2. Step 2: Convert to fraction form
    618,220,912.92/853,153,178.42 = 335,968,956.48/x
  3. Step 3: Cross multiply
    618,220,912.92x = 853,153,178.42 × 335,968,956.48
  4. Step 4: Simplify right side
    618,220,912.92x = 286,632,983,071,362,656
  5. Step 5: Solve for x
    x = 286,632,983,071,362,656/618,220,912.92
  6. Step 6: Final answer
    x = 463,641,680.64

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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.