Home / 631,115,189.40-946,672,769.52-171,053,349.60

Finding the Fourth Proportional to 631,115,189.40, 946,672,769.52 and 171,053,349.60

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Solution

The fourth proportional to 631,115,189.40, 946,672,769.52 and 171,053,349.60 is: 256,580,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,115,189.40 : 946,672,769.52 = 171,053,349.60 : x
  2. Step 2: Convert to fraction form
    631,115,189.40/946,672,769.52 = 171,053,349.60/x
  3. Step 3: Cross multiply
    631,115,189.40x = 946,672,769.52 × 171,053,349.60
  4. Step 4: Simplify right side
    631,115,189.40x = 161,931,548,201,504,768
  5. Step 5: Solve for x
    x = 161,931,548,201,504,768/631,115,189.40
  6. Step 6: Final answer
    x = 256,580,020.45

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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.