Home / 1,864,268,998.86-2,796,771,880.92-683,860,438.35

Finding the Fourth Proportional to 1,864,268,998.86, 2,796,771,880.92 and 683,860,438.35

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Solution

The fourth proportional to 1,864,268,998.86, 2,796,771,880.92 and 683,860,438.35 is: 1,025,925,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,268,998.86 : 2,796,771,880.92 = 683,860,438.35 : x
  2. Step 2: Convert to fraction form
    1,864,268,998.86/2,796,771,880.92 = 683,860,438.35/x
  3. Step 3: Cross multiply
    1,864,268,998.86x = 2,796,771,880.92 × 683,860,438.35
  4. Step 4: Simplify right side
    1,864,268,998.86x = 1,912,601,644,450,905,344
  5. Step 5: Solve for x
    x = 1,912,601,644,450,905,344/1,864,268,998.86
  6. Step 6: Final answer
    x = 1,025,925,789.48

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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.