Home / 557,457,641.13-769,073,815.13-319,175,478.03

Finding the Fourth Proportional to 557,457,641.13, 769,073,815.13 and 319,175,478.03

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Solution

The fourth proportional to 557,457,641.13, 769,073,815.13 and 319,175,478.03 is: 440,337,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,457,641.13 : 769,073,815.13 = 319,175,478.03 : x
  2. Step 2: Convert to fraction form
    557,457,641.13/769,073,815.13 = 319,175,478.03/x
  3. Step 3: Cross multiply
    557,457,641.13x = 769,073,815.13 × 319,175,478.03
  4. Step 4: Simplify right side
    557,457,641.13x = 245,469,502,582,877,696
  5. Step 5: Solve for x
    x = 245,469,502,582,877,696/557,457,641.13
  6. Step 6: Final answer
    x = 440,337,497.37

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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.