Home / 5,321,600,578.86-7,343,856,382.16-2,942,898,563.52

Finding the Fourth Proportional to 5,321,600,578.86, 7,343,856,382.16 and 2,942,898,563.52

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Solution

The fourth proportional to 5,321,600,578.86, 7,343,856,382.16 and 2,942,898,563.52 is: 4,061,226,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,600,578.86 : 7,343,856,382.16 = 2,942,898,563.52 : x
  2. Step 2: Convert to fraction form
    5,321,600,578.86/7,343,856,382.16 = 2,942,898,563.52/x
  3. Step 3: Cross multiply
    5,321,600,578.86x = 7,343,856,382.16 × 2,942,898,563.52
  4. Step 4: Simplify right side
    5,321,600,578.86x = 21,612,224,397,741,133,824
  5. Step 5: Solve for x
    x = 21,612,224,397,741,133,824/5,321,600,578.86
  6. Step 6: Final answer
    x = 4,061,226,331.72

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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.