Home / 902,041,213.37-1,353,064,342.41-280,347,352.88

Finding the Fourth Proportional to 902,041,213.37, 1,353,064,342.41 and 280,347,352.88

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Solution

The fourth proportional to 902,041,213.37, 1,353,064,342.41 and 280,347,352.88 is: 420,521,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,041,213.37 : 1,353,064,342.41 = 280,347,352.88 : x
  2. Step 2: Convert to fraction form
    902,041,213.37/1,353,064,342.41 = 280,347,352.88/x
  3. Step 3: Cross multiply
    902,041,213.37x = 1,353,064,342.41 × 280,347,352.88
  4. Step 4: Simplify right side
    902,041,213.37x = 379,328,006,664,196,096
  5. Step 5: Solve for x
    x = 379,328,006,664,196,096/902,041,213.37
  6. Step 6: Final answer
    x = 420,521,813.24

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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.