Home / 1,109,615,878.54-1,531,294,655.52-633,296,693.62

Finding the Fourth Proportional to 1,109,615,878.54, 1,531,294,655.52 and 633,296,693.62

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Solution

The fourth proportional to 1,109,615,878.54, 1,531,294,655.52 and 633,296,693.62 is: 873,963,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,615,878.54 : 1,531,294,655.52 = 633,296,693.62 : x
  2. Step 2: Convert to fraction form
    1,109,615,878.54/1,531,294,655.52 = 633,296,693.62/x
  3. Step 3: Cross multiply
    1,109,615,878.54x = 1,531,294,655.52 × 633,296,693.62
  4. Step 4: Simplify right side
    1,109,615,878.54x = 969,763,842,298,792,832
  5. Step 5: Solve for x
    x = 969,763,842,298,792,832/1,109,615,878.54
  6. Step 6: Final answer
    x = 873,963,558.97

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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.