Home / 454,168,016.54-626,752,115.03-245,324,161.25

Finding the Fourth Proportional to 454,168,016.54, 626,752,115.03 and 245,324,161.25

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Solution

The fourth proportional to 454,168,016.54, 626,752,115.03 and 245,324,161.25 is: 338,547,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,168,016.54 : 626,752,115.03 = 245,324,161.25 : x
  2. Step 2: Convert to fraction form
    454,168,016.54/626,752,115.03 = 245,324,161.25/x
  3. Step 3: Cross multiply
    454,168,016.54x = 626,752,115.03 × 245,324,161.25
  4. Step 4: Simplify right side
    454,168,016.54x = 153,757,436,927,037,888
  5. Step 5: Solve for x
    x = 153,757,436,927,037,888/454,168,016.54
  6. Step 6: Final answer
    x = 338,547,478.75

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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.