Home / 383,241,830.40-574,862,745.60-210,629,793.60

Finding the Fourth Proportional to 383,241,830.40, 574,862,745.60 and 210,629,793.60

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Solution

The fourth proportional to 383,241,830.40, 574,862,745.60 and 210,629,793.60 is: 315,944,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,241,830.40 : 574,862,745.60 = 210,629,793.60 : x
  2. Step 2: Convert to fraction form
    383,241,830.40/574,862,745.60 = 210,629,793.60/x
  3. Step 3: Cross multiply
    383,241,830.40x = 574,862,745.60 × 210,629,793.60
  4. Step 4: Simplify right side
    383,241,830.40x = 121,083,221,454,057,312
  5. Step 5: Solve for x
    x = 121,083,221,454,057,312/383,241,830.40
  6. Step 6: Final answer
    x = 315,944,690.40

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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.