Home / 13,868,788,028.80-20,803,182,043.20-8,909,805,769.60

Finding the Fourth Proportional to 13,868,788,028.80, 20,803,182,043.20 and 8,909,805,769.60

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Solution

The fourth proportional to 13,868,788,028.80, 20,803,182,043.20 and 8,909,805,769.60 is: 13,364,708,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,788,028.80 : 20,803,182,043.20 = 8,909,805,769.60 : x
  2. Step 2: Convert to fraction form
    13,868,788,028.80/20,803,182,043.20 = 8,909,805,769.60/x
  3. Step 3: Cross multiply
    13,868,788,028.80x = 20,803,182,043.20 × 8,909,805,769.60
  4. Step 4: Simplify right side
    13,868,788,028.80x = 185,352,311,394,542,485,504
  5. Step 5: Solve for x
    x = 185,352,311,394,542,485,504/13,868,788,028.80
  6. Step 6: Final answer
    x = 13,364,708,654.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.