Home / 646,456,118.62-969,684,190.79-155,169,388.34

Finding the Fourth Proportional to 646,456,118.62, 969,684,190.79 and 155,169,388.34

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Solution

The fourth proportional to 646,456,118.62, 969,684,190.79 and 155,169,388.34 is: 232,754,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,456,118.62 : 969,684,190.79 = 155,169,388.34 : x
  2. Step 2: Convert to fraction form
    646,456,118.62/969,684,190.79 = 155,169,388.34/x
  3. Step 3: Cross multiply
    646,456,118.62x = 969,684,190.79 × 155,169,388.34
  4. Step 4: Simplify right side
    646,456,118.62x = 150,465,302,769,500,512
  5. Step 5: Solve for x
    x = 150,465,302,769,500,512/646,456,118.62
  6. Step 6: Final answer
    x = 232,754,085.60

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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.