Home / 646,456,081.25-969,684,134.75-155,169,351

Finding the Fourth Proportional to 646,456,081.25, 969,684,134.75 and 155,169,351

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Solution

The fourth proportional to 646,456,081.25, 969,684,134.75 and 155,169,351 is: 232,754,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,456,081.25 : 969,684,134.75 = 155,169,351 : x
  2. Step 2: Convert to fraction form
    646,456,081.25/969,684,134.75 = 155,169,351/x
  3. Step 3: Cross multiply
    646,456,081.25x = 969,684,134.75 × 155,169,351
  4. Step 4: Simplify right side
    646,456,081.25x = 150,465,257,863,378,208
  5. Step 5: Solve for x
    x = 150,465,257,863,378,208/646,456,081.25
  6. Step 6: Final answer
    x = 232,754,029.59

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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.