Home / 852,901,040.47-1,279,351,745.03-307,642,529.11

Finding the Fourth Proportional to 852,901,040.47, 1,279,351,745.03 and 307,642,529.11

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Solution

The fourth proportional to 852,901,040.47, 1,279,351,745.03 and 307,642,529.11 is: 461,463,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,901,040.47 : 1,279,351,745.03 = 307,642,529.11 : x
  2. Step 2: Convert to fraction form
    852,901,040.47/1,279,351,745.03 = 307,642,529.11/x
  3. Step 3: Cross multiply
    852,901,040.47x = 1,279,351,745.03 × 307,642,529.11
  4. Step 4: Simplify right side
    852,901,040.47x = 393,583,006,462,321,088
  5. Step 5: Solve for x
    x = 393,583,006,462,321,088/852,901,040.47
  6. Step 6: Final answer
    x = 461,463,860.15

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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.