Home / 891,648,336.20-1,337,472,504.30-309,189,000.20

Finding the Fourth Proportional to 891,648,336.20, 1,337,472,504.30 and 309,189,000.20

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Solution

The fourth proportional to 891,648,336.20, 1,337,472,504.30 and 309,189,000.20 is: 463,783,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,336.20 : 1,337,472,504.30 = 309,189,000.20 : x
  2. Step 2: Convert to fraction form
    891,648,336.20/1,337,472,504.30 = 309,189,000.20/x
  3. Step 3: Cross multiply
    891,648,336.20x = 1,337,472,504.30 × 309,189,000.20
  4. Step 4: Simplify right side
    891,648,336.20x = 413,531,786,399,507,200
  5. Step 5: Solve for x
    x = 413,531,786,399,507,200/891,648,336.20
  6. Step 6: Final answer
    x = 463,783,500.30

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Double scale
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Similar ratio
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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.