Home / 646,792,014.40-970,188,021.60-323,559,246.40

Finding the Fourth Proportional to 646,792,014.40, 970,188,021.60 and 323,559,246.40

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Solution

The fourth proportional to 646,792,014.40, 970,188,021.60 and 323,559,246.40 is: 485,338,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,792,014.40 : 970,188,021.60 = 323,559,246.40 : x
  2. Step 2: Convert to fraction form
    646,792,014.40/970,188,021.60 = 323,559,246.40/x
  3. Step 3: Cross multiply
    646,792,014.40x = 970,188,021.60 × 323,559,246.40
  4. Step 4: Simplify right side
    646,792,014.40x = 313,913,305,135,202,880
  5. Step 5: Solve for x
    x = 313,913,305,135,202,880/646,792,014.40
  6. Step 6: Final answer
    x = 485,338,869.60

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Similar ratio
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1.5x scale

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.