Home / 773,165,128.80-1,158,472,234.80-658,373,872.80

Finding the Fourth Proportional to 773,165,128.80, 1,158,472,234.80 and 658,373,872.80

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Solution

The fourth proportional to 773,165,128.80, 1,158,472,234.80 and 658,373,872.80 is: 986,474,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,165,128.80 : 1,158,472,234.80 = 658,373,872.80 : x
  2. Step 2: Convert to fraction form
    773,165,128.80/1,158,472,234.80 = 658,373,872.80/x
  3. Step 3: Cross multiply
    773,165,128.80x = 1,158,472,234.80 × 658,373,872.80
  4. Step 4: Simplify right side
    773,165,128.80x = 762,707,851,756,546,816
  5. Step 5: Solve for x
    x = 762,707,851,756,546,816/773,165,128.80
  6. Step 6: Final answer
    x = 986,474,717.17

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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.