Home / 902,041,214.11-1,353,064,343.54-280,347,353.64

Finding the Fourth Proportional to 902,041,214.11, 1,353,064,343.54 and 280,347,353.64

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Solution

The fourth proportional to 902,041,214.11, 1,353,064,343.54 and 280,347,353.64 is: 420,521,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,041,214.11 : 1,353,064,343.54 = 280,347,353.64 : x
  2. Step 2: Convert to fraction form
    902,041,214.11/1,353,064,343.54 = 280,347,353.64/x
  3. Step 3: Cross multiply
    902,041,214.11x = 1,353,064,343.54 × 280,347,353.64
  4. Step 4: Simplify right side
    902,041,214.11x = 379,328,008,014,681,088
  5. Step 5: Solve for x
    x = 379,328,008,014,681,088/902,041,214.11
  6. Step 6: Final answer
    x = 420,521,814.39

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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.