Home / 326,050,216.40-489,075,324.60-217,211,099.60

Finding the Fourth Proportional to 326,050,216.40, 489,075,324.60 and 217,211,099.60

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Solution

The fourth proportional to 326,050,216.40, 489,075,324.60 and 217,211,099.60 is: 325,816,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,050,216.40 : 489,075,324.60 = 217,211,099.60 : x
  2. Step 2: Convert to fraction form
    326,050,216.40/489,075,324.60 = 217,211,099.60/x
  3. Step 3: Cross multiply
    326,050,216.40x = 489,075,324.60 × 217,211,099.60
  4. Step 4: Simplify right side
    326,050,216.40x = 106,232,589,043,592,928
  5. Step 5: Solve for x
    x = 106,232,589,043,592,928/326,050,216.40
  6. Step 6: Final answer
    x = 325,816,649.40

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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.