Home / 383,241,844.40-574,862,766.60-210,629,807.60

Finding the Fourth Proportional to 383,241,844.40, 574,862,766.60 and 210,629,807.60

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Solution

The fourth proportional to 383,241,844.40, 574,862,766.60 and 210,629,807.60 is: 315,944,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,241,844.40 : 574,862,766.60 = 210,629,807.60 : x
  2. Step 2: Convert to fraction form
    383,241,844.40/574,862,766.60 = 210,629,807.60/x
  3. Step 3: Cross multiply
    383,241,844.40x = 574,862,766.60 × 210,629,807.60
  4. Step 4: Simplify right side
    383,241,844.40x = 121,083,233,925,361,712
  5. Step 5: Solve for x
    x = 121,083,233,925,361,712/383,241,844.40
  6. Step 6: Final answer
    x = 315,944,711.40

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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.