Home / 26,860,126,748.40-40,290,190,122.60-21,248,865,615.60

Finding the Fourth Proportional to 26,860,126,748.40, 40,290,190,122.60 and 21,248,865,615.60

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Solution

The fourth proportional to 26,860,126,748.40, 40,290,190,122.60 and 21,248,865,615.60 is: 31,873,298,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860,126,748.40 : 40,290,190,122.60 = 21,248,865,615.60 : x
  2. Step 2: Convert to fraction form
    26,860,126,748.40/40,290,190,122.60 = 21,248,865,615.60/x
  3. Step 3: Cross multiply
    26,860,126,748.40x = 40,290,190,122.60 × 21,248,865,615.60
  4. Step 4: Simplify right side
    26,860,126,748.40x = 856,120,835,542,101,786,624
  5. Step 5: Solve for x
    x = 856,120,835,542,101,786,624/26,860,126,748.40
  6. Step 6: Final answer
    x = 31,873,298,423.40

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Double scale
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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.