Home / 8,968,131,020.40-13,452,196,530.60-6,643,608,086.40

Finding the Fourth Proportional to 8,968,131,020.40, 13,452,196,530.60 and 6,643,608,086.40

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Solution

The fourth proportional to 8,968,131,020.40, 13,452,196,530.60 and 6,643,608,086.40 is: 9,965,412,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,131,020.40 : 13,452,196,530.60 = 6,643,608,086.40 : x
  2. Step 2: Convert to fraction form
    8,968,131,020.40/13,452,196,530.60 = 6,643,608,086.40/x
  3. Step 3: Cross multiply
    8,968,131,020.40x = 13,452,196,530.60 × 6,643,608,086.40
  4. Step 4: Simplify right side
    8,968,131,020.40x = 89,371,121,650,536,185,856
  5. Step 5: Solve for x
    x = 89,371,121,650,536,185,856/8,968,131,020.40
  6. Step 6: Final answer
    x = 9,965,412,129.60

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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.