Home / 8,768,822,011.20-13,153,233,016.80-5,979,394,490.40

Finding the Fourth Proportional to 8,768,822,011.20, 13,153,233,016.80 and 5,979,394,490.40

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Solution

The fourth proportional to 8,768,822,011.20, 13,153,233,016.80 and 5,979,394,490.40 is: 8,969,091,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,822,011.20 : 13,153,233,016.80 = 5,979,394,490.40 : x
  2. Step 2: Convert to fraction form
    8,768,822,011.20/13,153,233,016.80 = 5,979,394,490.40/x
  3. Step 3: Cross multiply
    8,768,822,011.20x = 13,153,233,016.80 × 5,979,394,490.40
  4. Step 4: Simplify right side
    8,768,822,011.20x = 78,648,369,031,601,274,880
  5. Step 5: Solve for x
    x = 78,648,369,031,601,274,880/8,768,822,011.20
  6. Step 6: Final answer
    x = 8,969,091,735.60

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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.