Home / 646,891,119.60-969,675,330.60-318,862,114.80

Finding the Fourth Proportional to 646,891,119.60, 969,675,330.60 and 318,862,114.80

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Solution

The fourth proportional to 646,891,119.60, 969,675,330.60 and 318,862,114.80 is: 477,967,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,891,119.60 : 969,675,330.60 = 318,862,114.80 : x
  2. Step 2: Convert to fraction form
    646,891,119.60/969,675,330.60 = 318,862,114.80/x
  3. Step 3: Cross multiply
    646,891,119.60x = 969,675,330.60 × 318,862,114.80
  4. Step 4: Simplify right side
    646,891,119.60x = 309,192,726,584,505,152
  5. Step 5: Solve for x
    x = 309,192,726,584,505,152/646,891,119.60
  6. Step 6: Final answer
    x = 477,967,183.68

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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.