Home / 647,353,816.20-969,914,698.20-301,598,301.60

Finding the Fourth Proportional to 647,353,816.20, 969,914,698.20 and 301,598,301.60

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Solution

The fourth proportional to 647,353,816.20, 969,914,698.20 and 301,598,301.60 is: 451,877,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,353,816.20 : 969,914,698.20 = 301,598,301.60 : x
  2. Step 2: Convert to fraction form
    647,353,816.20/969,914,698.20 = 301,598,301.60/x
  3. Step 3: Cross multiply
    647,353,816.20x = 969,914,698.20 × 301,598,301.60
  4. Step 4: Simplify right side
    647,353,816.20x = 292,524,625,673,996,608
  5. Step 5: Solve for x
    x = 292,524,625,673,996,608/647,353,816.20
  6. Step 6: Final answer
    x = 451,877,502.46

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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.