Home / 646,848,504.70-970,272,757.05-491,880,309.10

Finding the Fourth Proportional to 646,848,504.70, 970,272,757.05 and 491,880,309.10

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Solution

The fourth proportional to 646,848,504.70, 970,272,757.05 and 491,880,309.10 is: 737,820,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,848,504.70 : 970,272,757.05 = 491,880,309.10 : x
  2. Step 2: Convert to fraction form
    646,848,504.70/970,272,757.05 = 491,880,309.10/x
  3. Step 3: Cross multiply
    646,848,504.70x = 970,272,757.05 × 491,880,309.10
  4. Step 4: Simplify right side
    646,848,504.70x = 477,258,063,649,063,232
  5. Step 5: Solve for x
    x = 477,258,063,649,063,232/646,848,504.70
  6. Step 6: Final answer
    x = 737,820,463.65

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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.