Home / 618,220,919.98-853,153,188.15-335,968,963.54

Finding the Fourth Proportional to 618,220,919.98, 853,153,188.15 and 335,968,963.54

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Solution

The fourth proportional to 618,220,919.98, 853,153,188.15 and 335,968,963.54 is: 463,641,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,220,919.98 : 853,153,188.15 = 335,968,963.54 : x
  2. Step 2: Convert to fraction form
    618,220,919.98/853,153,188.15 = 335,968,963.54/x
  3. Step 3: Cross multiply
    618,220,919.98x = 853,153,188.15 × 335,968,963.54
  4. Step 4: Simplify right side
    618,220,919.98x = 286,632,992,363,602,112
  5. Step 5: Solve for x
    x = 286,632,992,363,602,112/618,220,919.98
  6. Step 6: Final answer
    x = 463,641,690.37

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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.