Home / 646,848,496.20-970,272,744.30-491,880,300.60

Finding the Fourth Proportional to 646,848,496.20, 970,272,744.30 and 491,880,300.60

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Solution

The fourth proportional to 646,848,496.20, 970,272,744.30 and 491,880,300.60 is: 737,820,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,848,496.20 : 970,272,744.30 = 491,880,300.60 : x
  2. Step 2: Convert to fraction form
    646,848,496.20/970,272,744.30 = 491,880,300.60/x
  3. Step 3: Cross multiply
    646,848,496.20x = 970,272,744.30 × 491,880,300.60
  4. Step 4: Simplify right side
    646,848,496.20x = 477,258,049,130,270,912
  5. Step 5: Solve for x
    x = 477,258,049,130,270,912/646,848,496.20
  6. Step 6: Final answer
    x = 737,820,450.90

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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.