Home / 631,115,825.40-946,673,723.52-171,053,985.60

Finding the Fourth Proportional to 631,115,825.40, 946,673,723.52 and 171,053,985.60

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Solution

The fourth proportional to 631,115,825.40, 946,673,723.52 and 171,053,985.60 is: 256,580,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,115,825.40 : 946,673,723.52 = 171,053,985.60 : x
  2. Step 2: Convert to fraction form
    631,115,825.40/946,673,723.52 = 171,053,985.60/x
  3. Step 3: Cross multiply
    631,115,825.40x = 946,673,723.52 × 171,053,985.60
  4. Step 4: Simplify right side
    631,115,825.40x = 161,932,313,470,888,448
  5. Step 5: Solve for x
    x = 161,932,313,470,888,448/631,115,825.40
  6. Step 6: Final answer
    x = 256,580,974.45

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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.