Home / 481,757,718.67-664,825,651.70-272,913,861.32

Finding the Fourth Proportional to 481,757,718.67, 664,825,651.70 and 272,913,861.32

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Solution

The fourth proportional to 481,757,718.67, 664,825,651.70 and 272,913,861.32 is: 376,621,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,757,718.67 : 664,825,651.70 = 272,913,861.32 : x
  2. Step 2: Convert to fraction form
    481,757,718.67/664,825,651.70 = 272,913,861.32/x
  3. Step 3: Cross multiply
    481,757,718.67x = 664,825,651.70 × 272,913,861.32
  4. Step 4: Simplify right side
    481,757,718.67x = 181,440,135,705,343,744
  5. Step 5: Solve for x
    x = 181,440,135,705,343,744/481,757,718.67
  6. Step 6: Final answer
    x = 376,621,128.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.