Home / 6,857,243,344.30-10,285,865,016.45-5,479,748,272.30

Finding the Fourth Proportional to 6,857,243,344.30, 10,285,865,016.45 and 5,479,748,272.30

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Solution

The fourth proportional to 6,857,243,344.30, 10,285,865,016.45 and 5,479,748,272.30 is: 8,219,622,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857,243,344.30 : 10,285,865,016.45 = 5,479,748,272.30 : x
  2. Step 2: Convert to fraction form
    6,857,243,344.30/10,285,865,016.45 = 5,479,748,272.30/x
  3. Step 3: Cross multiply
    6,857,243,344.30x = 10,285,865,016.45 × 5,479,748,272.30
  4. Step 4: Simplify right side
    6,857,243,344.30x = 56,363,951,053,002,907,648
  5. Step 5: Solve for x
    x = 56,363,951,053,002,907,648/6,857,243,344.30
  6. Step 6: Final answer
    x = 8,219,622,408.45

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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.