Home / 5,521,206,658.20-8,281,809,987.30-3,190,944,161.40

Finding the Fourth Proportional to 5,521,206,658.20, 8,281,809,987.30 and 3,190,944,161.40

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Solution

The fourth proportional to 5,521,206,658.20, 8,281,809,987.30 and 3,190,944,161.40 is: 4,786,416,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521,206,658.20 : 8,281,809,987.30 = 3,190,944,161.40 : x
  2. Step 2: Convert to fraction form
    5,521,206,658.20/8,281,809,987.30 = 3,190,944,161.40/x
  3. Step 3: Cross multiply
    5,521,206,658.20x = 8,281,809,987.30 × 3,190,944,161.40
  4. Step 4: Simplify right side
    5,521,206,658.20x = 26,426,793,224,799,145,984
  5. Step 5: Solve for x
    x = 26,426,793,224,799,145,984/5,521,206,658.20
  6. Step 6: Final answer
    x = 4,786,416,242.10

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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.