Home / 575,181,877.20-862,687,771.32-211,591,202.64

Finding the Fourth Proportional to 575,181,877.20, 862,687,771.32 and 211,591,202.64

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Solution

The fourth proportional to 575,181,877.20, 862,687,771.32 and 211,591,202.64 is: 317,355,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,181,877.20 : 862,687,771.32 = 211,591,202.64 : x
  2. Step 2: Convert to fraction form
    575,181,877.20/862,687,771.32 = 211,591,202.64/x
  3. Step 3: Cross multiply
    575,181,877.20x = 862,687,771.32 × 211,591,202.64
  4. Step 4: Simplify right side
    575,181,877.20x = 182,537,143,036,420,096
  5. Step 5: Solve for x
    x = 182,537,143,036,420,096/575,181,877.20
  6. Step 6: Final answer
    x = 317,355,518.79

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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.