Home / 481,491,889.54-722,010,160.50-186,525,163.76

Finding the Fourth Proportional to 481,491,889.54, 722,010,160.50 and 186,525,163.76

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Solution

The fourth proportional to 481,491,889.54, 722,010,160.50 and 186,525,163.76 is: 279,699,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,491,889.54 : 722,010,160.50 = 186,525,163.76 : x
  2. Step 2: Convert to fraction form
    481,491,889.54/722,010,160.50 = 186,525,163.76/x
  3. Step 3: Cross multiply
    481,491,889.54x = 722,010,160.50 × 186,525,163.76
  4. Step 4: Simplify right side
    481,491,889.54x = 134,673,063,423,646,384
  5. Step 5: Solve for x
    x = 134,673,063,423,646,384/481,491,889.54
  6. Step 6: Final answer
    x = 279,699,547.07

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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.