Home / 347,881,629.92-480,086,585.46-212,099,702.60

Finding the Fourth Proportional to 347,881,629.92, 480,086,585.46 and 212,099,702.60

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Solution

The fourth proportional to 347,881,629.92, 480,086,585.46 and 212,099,702.60 is: 292,703,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,881,629.92 : 480,086,585.46 = 212,099,702.60 : x
  2. Step 2: Convert to fraction form
    347,881,629.92/480,086,585.46 = 212,099,702.60/x
  3. Step 3: Cross multiply
    347,881,629.92x = 480,086,585.46 × 212,099,702.60
  4. Step 4: Simplify right side
    347,881,629.92x = 101,826,221,998,315,472
  5. Step 5: Solve for x
    x = 101,826,221,998,315,472/347,881,629.92
  6. Step 6: Final answer
    x = 292,703,647.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.