Home / 788,427,002.92-1,182,644,490.24-206,162,528.64

Finding the Fourth Proportional to 788,427,002.92, 1,182,644,490.24 and 206,162,528.64

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Solution

The fourth proportional to 788,427,002.92, 1,182,644,490.24 and 206,162,528.64 is: 309,244,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,427,002.92 : 1,182,644,490.24 = 206,162,528.64 : x
  2. Step 2: Convert to fraction form
    788,427,002.92/1,182,644,490.24 = 206,162,528.64/x
  3. Step 3: Cross multiply
    788,427,002.92x = 1,182,644,490.24 × 206,162,528.64
  4. Step 4: Simplify right side
    788,427,002.92x = 243,816,978,590,042,176
  5. Step 5: Solve for x
    x = 243,816,978,590,042,176/788,427,002.92
  6. Step 6: Final answer
    x = 309,244,835.21

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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.