Home / 5,432,508,664.80-8,148,762,997.20-1,555,115,128.80

Finding the Fourth Proportional to 5,432,508,664.80, 8,148,762,997.20 and 1,555,115,128.80

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Solution

The fourth proportional to 5,432,508,664.80, 8,148,762,997.20 and 1,555,115,128.80 is: 2,332,672,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,508,664.80 : 8,148,762,997.20 = 1,555,115,128.80 : x
  2. Step 2: Convert to fraction form
    5,432,508,664.80/8,148,762,997.20 = 1,555,115,128.80/x
  3. Step 3: Cross multiply
    5,432,508,664.80x = 8,148,762,997.20 × 1,555,115,128.80
  4. Step 4: Simplify right side
    5,432,508,664.80x = 12,672,264,617,951,350,784
  5. Step 5: Solve for x
    x = 12,672,264,617,951,350,784/5,432,508,664.80
  6. Step 6: Final answer
    x = 2,332,672,693.20

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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.