Home / 618,220,913.92-853,153,179.80-335,968,957.48

Finding the Fourth Proportional to 618,220,913.92, 853,153,179.80 and 335,968,957.48

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Solution

The fourth proportional to 618,220,913.92, 853,153,179.80 and 335,968,957.48 is: 463,641,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,220,913.92 : 853,153,179.80 = 335,968,957.48 : x
  2. Step 2: Convert to fraction form
    618,220,913.92/853,153,179.80 = 335,968,957.48/x
  3. Step 3: Cross multiply
    618,220,913.92x = 853,153,179.80 × 335,968,957.48
  4. Step 4: Simplify right side
    618,220,913.92x = 286,632,984,388,152,992
  5. Step 5: Solve for x
    x = 286,632,984,388,152,992/618,220,913.92
  6. Step 6: Final answer
    x = 463,641,682.02

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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.