Home / 522,359,513.55-782,678,330.22-303,395,192.73

Finding the Fourth Proportional to 522,359,513.55, 782,678,330.22 and 303,395,192.73

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Solution

The fourth proportional to 522,359,513.55, 782,678,330.22 and 303,395,192.73 is: 454,592,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,359,513.55 : 782,678,330.22 = 303,395,192.73 : x
  2. Step 2: Convert to fraction form
    522,359,513.55/782,678,330.22 = 303,395,192.73/x
  3. Step 3: Cross multiply
    522,359,513.55x = 782,678,330.22 × 303,395,192.73
  4. Step 4: Simplify right side
    522,359,513.55x = 237,460,842,842,691,520
  5. Step 5: Solve for x
    x = 237,460,842,842,691,520/522,359,513.55
  6. Step 6: Final answer
    x = 454,592,740.60

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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.