Home / 902,041,211.86-1,353,064,340.16-280,347,351.38

Finding the Fourth Proportional to 902,041,211.86, 1,353,064,340.16 and 280,347,351.38

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Solution

The fourth proportional to 902,041,211.86, 1,353,064,340.16 and 280,347,351.38 is: 420,521,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,041,211.86 : 1,353,064,340.16 = 280,347,351.38 : x
  2. Step 2: Convert to fraction form
    902,041,211.86/1,353,064,340.16 = 280,347,351.38/x
  3. Step 3: Cross multiply
    902,041,211.86x = 1,353,064,340.16 × 280,347,351.38
  4. Step 4: Simplify right side
    902,041,211.86x = 379,328,004,008,892,096
  5. Step 5: Solve for x
    x = 379,328,004,008,892,096/902,041,211.86
  6. Step 6: Final answer
    x = 420,521,811.00

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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.