Home / 618,220,917.50-853,153,184.72-335,968,961.04

Finding the Fourth Proportional to 618,220,917.50, 853,153,184.72 and 335,968,961.04

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Solution

The fourth proportional to 618,220,917.50, 853,153,184.72 and 335,968,961.04 is: 463,641,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,220,917.50 : 853,153,184.72 = 335,968,961.04 : x
  2. Step 2: Convert to fraction form
    618,220,917.50/853,153,184.72 = 335,968,961.04/x
  3. Step 3: Cross multiply
    618,220,917.50x = 853,153,184.72 × 335,968,961.04
  4. Step 4: Simplify right side
    618,220,917.50x = 286,632,989,076,665,792
  5. Step 5: Solve for x
    x = 286,632,989,076,665,792/618,220,917.50
  6. Step 6: Final answer
    x = 463,641,686.92

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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.