Home / 304,602,514.67-420,745,780.06-251,892,135.65

Finding the Fourth Proportional to 304,602,514.67, 420,745,780.06 and 251,892,135.65

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Solution

The fourth proportional to 304,602,514.67, 420,745,780.06 and 251,892,135.65 is: 347,937,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,602,514.67 : 420,745,780.06 = 251,892,135.65 : x
  2. Step 2: Convert to fraction form
    304,602,514.67/420,745,780.06 = 251,892,135.65/x
  3. Step 3: Cross multiply
    304,602,514.67x = 420,745,780.06 × 251,892,135.65
  4. Step 4: Simplify right side
    304,602,514.67x = 105,982,553,105,460,720
  5. Step 5: Solve for x
    x = 105,982,553,105,460,720/304,602,514.67
  6. Step 6: Final answer
    x = 347,937,223.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.