Home / 631,108,345.44-871,016,034.96-363,178,671.60

Finding the Fourth Proportional to 631,108,345.44, 871,016,034.96 and 363,178,671.60

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Solution

The fourth proportional to 631,108,345.44, 871,016,034.96 and 363,178,671.60 is: 501,236,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,108,345.44 : 871,016,034.96 = 363,178,671.60 : x
  2. Step 2: Convert to fraction form
    631,108,345.44/871,016,034.96 = 363,178,671.60/x
  3. Step 3: Cross multiply
    631,108,345.44x = 871,016,034.96 × 363,178,671.60
  4. Step 4: Simplify right side
    631,108,345.44x = 316,334,446,519,072,000
  5. Step 5: Solve for x
    x = 316,334,446,519,072,000/631,108,345.44
  6. Step 6: Final answer
    x = 501,236,354.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.