Home / 631,146,155.46-946,719,236.70-171,084,322.68

Finding the Fourth Proportional to 631,146,155.46, 946,719,236.70 and 171,084,322.68

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Solution

The fourth proportional to 631,146,155.46, 946,719,236.70 and 171,084,322.68 is: 256,626,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,146,155.46 : 946,719,236.70 = 171,084,322.68 : x
  2. Step 2: Convert to fraction form
    631,146,155.46/946,719,236.70 = 171,084,322.68/x
  3. Step 3: Cross multiply
    631,146,155.46x = 946,719,236.70 × 171,084,322.68
  4. Step 4: Simplify right side
    631,146,155.46x = 161,968,819,378,946,112
  5. Step 5: Solve for x
    x = 161,968,819,378,946,112/631,146,155.46
  6. Step 6: Final answer
    x = 256,626,484.97

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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.