Home / 1,430,062,213.64-2,145,133,572.60-394,923,099.20

Finding the Fourth Proportional to 1,430,062,213.64, 2,145,133,572.60 and 394,923,099.20

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Solution

The fourth proportional to 1,430,062,213.64, 2,145,133,572.60 and 394,923,099.20 is: 592,395,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,062,213.64 : 2,145,133,572.60 = 394,923,099.20 : x
  2. Step 2: Convert to fraction form
    1,430,062,213.64/2,145,133,572.60 = 394,923,099.20/x
  3. Step 3: Cross multiply
    1,430,062,213.64x = 2,145,133,572.60 × 394,923,099.20
  4. Step 4: Simplify right side
    1,430,062,213.64x = 847,162,798,689,160,192
  5. Step 5: Solve for x
    x = 847,162,798,689,160,192/1,430,062,213.64
  6. Step 6: Final answer
    x = 592,395,764.75

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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.