Home / 245,078,999.60-367,618,499.40-218,294,373.20

Finding the Fourth Proportional to 245,078,999.60, 367,618,499.40 and 218,294,373.20

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Solution

The fourth proportional to 245,078,999.60, 367,618,499.40 and 218,294,373.20 is: 327,441,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,078,999.60 : 367,618,499.40 = 218,294,373.20 : x
  2. Step 2: Convert to fraction form
    245,078,999.60/367,618,499.40 = 218,294,373.20/x
  3. Step 3: Cross multiply
    245,078,999.60x = 367,618,499.40 × 218,294,373.20
  4. Step 4: Simplify right side
    245,078,999.60x = 80,249,049,903,247,568
  5. Step 5: Solve for x
    x = 80,249,049,903,247,568/245,078,999.60
  6. Step 6: Final answer
    x = 327,441,559.80

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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.