Home / 720,499,262.86-1,080,836,350.53-202,929,704.02

Finding the Fourth Proportional to 720,499,262.86, 1,080,836,350.53 and 202,929,704.02

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Solution

The fourth proportional to 720,499,262.86, 1,080,836,350.53 and 202,929,704.02 is: 304,419,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,499,262.86 : 1,080,836,350.53 = 202,929,704.02 : x
  2. Step 2: Convert to fraction form
    720,499,262.86/1,080,836,350.53 = 202,929,704.02/x
  3. Step 3: Cross multiply
    720,499,262.86x = 1,080,836,350.53 × 202,929,704.02
  4. Step 4: Simplify right side
    720,499,262.86x = 219,333,800,707,109,888
  5. Step 5: Solve for x
    x = 219,333,800,707,109,888/720,499,262.86
  6. Step 6: Final answer
    x = 304,419,188.21

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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.