Home / 651,193,455.60-976,790,183.40-392,913,129.60

Finding the Fourth Proportional to 651,193,455.60, 976,790,183.40 and 392,913,129.60

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Solution

The fourth proportional to 651,193,455.60, 976,790,183.40 and 392,913,129.60 is: 589,369,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,193,455.60 : 976,790,183.40 = 392,913,129.60 : x
  2. Step 2: Convert to fraction form
    651,193,455.60/976,790,183.40 = 392,913,129.60/x
  3. Step 3: Cross multiply
    651,193,455.60x = 976,790,183.40 × 392,913,129.60
  4. Step 4: Simplify right side
    651,193,455.60x = 383,793,687,922,251,968
  5. Step 5: Solve for x
    x = 383,793,687,922,251,968/651,193,455.60
  6. Step 6: Final answer
    x = 589,369,694.40

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Double scale
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Similar ratio
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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.