Home / 649,660,954.80-974,491,432.20-322,009,863.60

Finding the Fourth Proportional to 649,660,954.80, 974,491,432.20 and 322,009,863.60

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Solution

The fourth proportional to 649,660,954.80, 974,491,432.20 and 322,009,863.60 is: 483,014,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,660,954.80 : 974,491,432.20 = 322,009,863.60 : x
  2. Step 2: Convert to fraction form
    649,660,954.80/974,491,432.20 = 322,009,863.60/x
  3. Step 3: Cross multiply
    649,660,954.80x = 974,491,432.20 × 322,009,863.60
  4. Step 4: Simplify right side
    649,660,954.80x = 313,795,853,162,090,688
  5. Step 5: Solve for x
    x = 313,795,853,162,090,688/649,660,954.80
  6. Step 6: Final answer
    x = 483,014,795.40

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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.