Home / 720,499,261.86-1,080,836,349.03-202,929,703.02

Finding the Fourth Proportional to 720,499,261.86, 1,080,836,349.03 and 202,929,703.02

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Solution

The fourth proportional to 720,499,261.86, 1,080,836,349.03 and 202,929,703.02 is: 304,419,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,499,261.86 : 1,080,836,349.03 = 202,929,703.02 : x
  2. Step 2: Convert to fraction form
    720,499,261.86/1,080,836,349.03 = 202,929,703.02/x
  3. Step 3: Cross multiply
    720,499,261.86x = 1,080,836,349.03 × 202,929,703.02
  4. Step 4: Simplify right side
    720,499,261.86x = 219,333,799,321,878,976
  5. Step 5: Solve for x
    x = 219,333,799,321,878,976/720,499,261.86
  6. Step 6: Final answer
    x = 304,419,186.71

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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.