Home / 354,293,772.40-531,440,658.60-282,630,156.40

Finding the Fourth Proportional to 354,293,772.40, 531,440,658.60 and 282,630,156.40

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Solution

The fourth proportional to 354,293,772.40, 531,440,658.60 and 282,630,156.40 is: 423,945,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,293,772.40 : 531,440,658.60 = 282,630,156.40 : x
  2. Step 2: Convert to fraction form
    354,293,772.40/531,440,658.60 = 282,630,156.40/x
  3. Step 3: Cross multiply
    354,293,772.40x = 531,440,658.60 × 282,630,156.40
  4. Step 4: Simplify right side
    354,293,772.40x = 150,201,156,457,436,992
  5. Step 5: Solve for x
    x = 150,201,156,457,436,992/354,293,772.40
  6. Step 6: Final answer
    x = 423,945,234.60

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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.