Home / 331,968,452.40-498,271,543.20-168,390,912.60

Finding the Fourth Proportional to 331,968,452.40, 498,271,543.20 and 168,390,912.60

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Solution

The fourth proportional to 331,968,452.40, 498,271,543.20 and 168,390,912.60 is: 252,748,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,968,452.40 : 498,271,543.20 = 168,390,912.60 : x
  2. Step 2: Convert to fraction form
    331,968,452.40/498,271,543.20 = 168,390,912.60/x
  3. Step 3: Cross multiply
    331,968,452.40x = 498,271,543.20 × 168,390,912.60
  4. Step 4: Simplify right side
    331,968,452.40x = 83,904,399,882,058,320
  5. Step 5: Solve for x
    x = 83,904,399,882,058,320/331,968,452.40
  6. Step 6: Final answer
    x = 252,748,112.89

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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.