Home / 15,400,748,819.08-21,253,158,157.58-8,534,260,144.22

Finding the Fourth Proportional to 15,400,748,819.08, 21,253,158,157.58 and 8,534,260,144.22

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Solution

The fourth proportional to 15,400,748,819.08, 21,253,158,157.58 and 8,534,260,144.22 is: 11,777,348,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,748,819.08 : 21,253,158,157.58 = 8,534,260,144.22 : x
  2. Step 2: Convert to fraction form
    15,400,748,819.08/21,253,158,157.58 = 8,534,260,144.22/x
  3. Step 3: Cross multiply
    15,400,748,819.08x = 21,253,158,157.58 × 8,534,260,144.22
  4. Step 4: Simplify right side
    15,400,748,819.08x = 181,379,980,603,056,062,464
  5. Step 5: Solve for x
    x = 181,379,980,603,056,062,464/15,400,748,819.08
  6. Step 6: Final answer
    x = 11,777,348,149.35

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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.