Home / 788,426,977.42-1,182,644,451.96-206,162,503.12

Finding the Fourth Proportional to 788,426,977.42, 1,182,644,451.96 and 206,162,503.12

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Solution

The fourth proportional to 788,426,977.42, 1,182,644,451.96 and 206,162,503.12 is: 309,244,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,426,977.42 : 1,182,644,451.96 = 206,162,503.12 : x
  2. Step 2: Convert to fraction form
    788,426,977.42/1,182,644,451.96 = 206,162,503.12/x
  3. Step 3: Cross multiply
    788,426,977.42x = 1,182,644,451.96 × 206,162,503.12
  4. Step 4: Simplify right side
    788,426,977.42x = 243,816,940,517,054,208
  5. Step 5: Solve for x
    x = 243,816,940,517,054,208/788,426,977.42
  6. Step 6: Final answer
    x = 309,244,796.92

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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.