Home / 579,577,072.40-869,365,608.60-522,246,179.60

Finding the Fourth Proportional to 579,577,072.40, 869,365,608.60 and 522,246,179.60

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Solution

The fourth proportional to 579,577,072.40, 869,365,608.60 and 522,246,179.60 is: 783,369,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,577,072.40 : 869,365,608.60 = 522,246,179.60 : x
  2. Step 2: Convert to fraction form
    579,577,072.40/869,365,608.60 = 522,246,179.60/x
  3. Step 3: Cross multiply
    579,577,072.40x = 869,365,608.60 × 522,246,179.60
  4. Step 4: Simplify right side
    579,577,072.40x = 454,022,867,766,978,944
  5. Step 5: Solve for x
    x = 454,022,867,766,978,944/579,577,072.40
  6. Step 6: Final answer
    x = 783,369,269.40

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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.