Home / 902,041,214.37-1,353,064,343.91-280,347,353.88

Finding the Fourth Proportional to 902,041,214.37, 1,353,064,343.91 and 280,347,353.88

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Solution

The fourth proportional to 902,041,214.37, 1,353,064,343.91 and 280,347,353.88 is: 420,521,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,041,214.37 : 1,353,064,343.91 = 280,347,353.88 : x
  2. Step 2: Convert to fraction form
    902,041,214.37/1,353,064,343.91 = 280,347,353.88/x
  3. Step 3: Cross multiply
    902,041,214.37x = 1,353,064,343.91 × 280,347,353.88
  4. Step 4: Simplify right side
    902,041,214.37x = 379,328,008,444,546,816
  5. Step 5: Solve for x
    x = 379,328,008,444,546,816/902,041,214.37
  6. Step 6: Final answer
    x = 420,521,814.75

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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.