Home / 340,992,000.30-511,488,000.45-308,079,821.10

Finding the Fourth Proportional to 340,992,000.30, 511,488,000.45 and 308,079,821.10

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Solution

The fourth proportional to 340,992,000.30, 511,488,000.45 and 308,079,821.10 is: 462,119,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,992,000.30 : 511,488,000.45 = 308,079,821.10 : x
  2. Step 2: Convert to fraction form
    340,992,000.30/511,488,000.45 = 308,079,821.10/x
  3. Step 3: Cross multiply
    340,992,000.30x = 511,488,000.45 × 308,079,821.10
  4. Step 4: Simplify right side
    340,992,000.30x = 157,579,131,673,432,736
  5. Step 5: Solve for x
    x = 157,579,131,673,432,736/340,992,000.30
  6. Step 6: Final answer
    x = 462,119,731.65

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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.