Home / 354,294,676.20-531,442,014.30-268,201,234.20

Finding the Fourth Proportional to 354,294,676.20, 531,442,014.30 and 268,201,234.20

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Solution

The fourth proportional to 354,294,676.20, 531,442,014.30 and 268,201,234.20 is: 402,301,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,676.20 : 531,442,014.30 = 268,201,234.20 : x
  2. Step 2: Convert to fraction form
    354,294,676.20/531,442,014.30 = 268,201,234.20/x
  3. Step 3: Cross multiply
    354,294,676.20x = 531,442,014.30 × 268,201,234.20
  4. Step 4: Simplify right side
    354,294,676.20x = 142,533,404,140,994,048
  5. Step 5: Solve for x
    x = 142,533,404,140,994,048/354,294,676.20
  6. Step 6: Final answer
    x = 402,301,851.30

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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.