Home / 522,359,512.43-782,678,328.54-303,395,191.61

Finding the Fourth Proportional to 522,359,512.43, 782,678,328.54 and 303,395,191.61

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Solution

The fourth proportional to 522,359,512.43, 782,678,328.54 and 303,395,191.61 is: 454,592,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,359,512.43 : 782,678,328.54 = 303,395,191.61 : x
  2. Step 2: Convert to fraction form
    522,359,512.43/782,678,328.54 = 303,395,191.61/x
  3. Step 3: Cross multiply
    522,359,512.43x = 782,678,328.54 × 303,395,191.61
  4. Step 4: Simplify right side
    522,359,512.43x = 237,460,841,452,474,432
  5. Step 5: Solve for x
    x = 237,460,841,452,474,432/522,359,512.43
  6. Step 6: Final answer
    x = 454,592,738.92

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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.