Home / 13,760,829,880.48-18,991,557,414.80-7,821,275,203.36

Finding the Fourth Proportional to 13,760,829,880.48, 18,991,557,414.80 and 7,821,275,203.36

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Solution

The fourth proportional to 13,760,829,880.48, 18,991,557,414.80 and 7,821,275,203.36 is: 10,794,276,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,829,880.48 : 18,991,557,414.80 = 7,821,275,203.36 : x
  2. Step 2: Convert to fraction form
    13,760,829,880.48/18,991,557,414.80 = 7,821,275,203.36/x
  3. Step 3: Cross multiply
    13,760,829,880.48x = 18,991,557,414.80 × 7,821,275,203.36
  4. Step 4: Simplify right side
    13,760,829,880.48x = 148,538,197,081,562,972,160
  5. Step 5: Solve for x
    x = 148,538,197,081,562,972,160/13,760,829,880.48
  6. Step 6: Final answer
    x = 10,794,276,099.02

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1.5x scale

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.