Home / 8,910,797,348.52-12,296,180,456.10-5,151,850,157.16

Finding the Fourth Proportional to 8,910,797,348.52, 12,296,180,456.10 and 5,151,850,157.16

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Solution

The fourth proportional to 8,910,797,348.52, 12,296,180,456.10 and 5,151,850,157.16 is: 7,109,137,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,797,348.52 : 12,296,180,456.10 = 5,151,850,157.16 : x
  2. Step 2: Convert to fraction form
    8,910,797,348.52/12,296,180,456.10 = 5,151,850,157.16/x
  3. Step 3: Cross multiply
    8,910,797,348.52x = 12,296,180,456.10 × 5,151,850,157.16
  4. Step 4: Simplify right side
    8,910,797,348.52x = 63,348,079,215,226,503,168
  5. Step 5: Solve for x
    x = 63,348,079,215,226,503,168/8,910,797,348.52
  6. Step 6: Final answer
    x = 7,109,137,009.58

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Double scale
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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.