Home / 788,426,976.42-1,182,644,450.46-206,162,502.12

Finding the Fourth Proportional to 788,426,976.42, 1,182,644,450.46 and 206,162,502.12

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Solution

The fourth proportional to 788,426,976.42, 1,182,644,450.46 and 206,162,502.12 is: 309,244,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,426,976.42 : 1,182,644,450.46 = 206,162,502.12 : x
  2. Step 2: Convert to fraction form
    788,426,976.42/1,182,644,450.46 = 206,162,502.12/x
  3. Step 3: Cross multiply
    788,426,976.42x = 1,182,644,450.46 × 206,162,502.12
  4. Step 4: Simplify right side
    788,426,976.42x = 243,816,939,025,165,984
  5. Step 5: Solve for x
    x = 243,816,939,025,165,984/788,426,976.42
  6. Step 6: Final answer
    x = 309,244,795.42

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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.