Home / 308,925,912.80-463,388,869.20-163,303,205.60

Finding the Fourth Proportional to 308,925,912.80, 463,388,869.20 and 163,303,205.60

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Solution

The fourth proportional to 308,925,912.80, 463,388,869.20 and 163,303,205.60 is: 244,954,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,925,912.80 : 463,388,869.20 = 163,303,205.60 : x
  2. Step 2: Convert to fraction form
    308,925,912.80/463,388,869.20 = 163,303,205.60/x
  3. Step 3: Cross multiply
    308,925,912.80x = 463,388,869.20 × 163,303,205.60
  4. Step 4: Simplify right side
    308,925,912.80x = 75,672,887,779,719,104
  5. Step 5: Solve for x
    x = 75,672,887,779,719,104/308,925,912.80
  6. Step 6: Final answer
    x = 244,954,808.40

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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.