Home / 488,544,076.80-732,732,134.40-181,678,233.60

Finding the Fourth Proportional to 488,544,076.80, 732,732,134.40 and 181,678,233.60

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Solution

The fourth proportional to 488,544,076.80, 732,732,134.40 and 181,678,233.60 is: 272,486,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,544,076.80 : 732,732,134.40 = 181,678,233.60 : x
  2. Step 2: Convert to fraction form
    488,544,076.80/732,732,134.40 = 181,678,233.60/x
  3. Step 3: Cross multiply
    488,544,076.80x = 732,732,134.40 × 181,678,233.60
  4. Step 4: Simplify right side
    488,544,076.80x = 133,121,479,879,749,792
  5. Step 5: Solve for x
    x = 133,121,479,879,749,792/488,544,076.80
  6. Step 6: Final answer
    x = 272,486,119.88

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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.