Home / 371,581,045.58-512,305,828.15-304,352,337.06

Finding the Fourth Proportional to 371,581,045.58, 512,305,828.15 and 304,352,337.06

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Solution

The fourth proportional to 371,581,045.58, 512,305,828.15 and 304,352,337.06 is: 419,616,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,581,045.58 : 512,305,828.15 = 304,352,337.06 : x
  2. Step 2: Convert to fraction form
    371,581,045.58/512,305,828.15 = 304,352,337.06/x
  3. Step 3: Cross multiply
    371,581,045.58x = 512,305,828.15 × 304,352,337.06
  4. Step 4: Simplify right side
    371,581,045.58x = 155,921,476,086,722,560
  5. Step 5: Solve for x
    x = 155,921,476,086,722,560/371,581,045.58
  6. Step 6: Final answer
    x = 419,616,333.89

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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.