Home / 297,505,285.20-446,257,927.80-205,672,280.40

Finding the Fourth Proportional to 297,505,285.20, 446,257,927.80 and 205,672,280.40

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Solution

The fourth proportional to 297,505,285.20, 446,257,927.80 and 205,672,280.40 is: 308,508,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,505,285.20 : 446,257,927.80 = 205,672,280.40 : x
  2. Step 2: Convert to fraction form
    297,505,285.20/446,257,927.80 = 205,672,280.40/x
  3. Step 3: Cross multiply
    297,505,285.20x = 446,257,927.80 × 205,672,280.40
  4. Step 4: Simplify right side
    297,505,285.20x = 91,782,885,657,204,560
  5. Step 5: Solve for x
    x = 91,782,885,657,204,560/297,505,285.20
  6. Step 6: Final answer
    x = 308,508,420.60

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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.