Home / 316,463,660.80-474,695,491.20-194,019,654.40

Finding the Fourth Proportional to 316,463,660.80, 474,695,491.20 and 194,019,654.40

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Solution

The fourth proportional to 316,463,660.80, 474,695,491.20 and 194,019,654.40 is: 291,029,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,463,660.80 : 474,695,491.20 = 194,019,654.40 : x
  2. Step 2: Convert to fraction form
    316,463,660.80/474,695,491.20 = 194,019,654.40/x
  3. Step 3: Cross multiply
    316,463,660.80x = 474,695,491.20 × 194,019,654.40
  4. Step 4: Simplify right side
    316,463,660.80x = 92,100,255,147,862,240
  5. Step 5: Solve for x
    x = 92,100,255,147,862,240/316,463,660.80
  6. Step 6: Final answer
    x = 291,029,481.60

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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.