Home / 644,719,742.11-889,716,257.09-366,276,544.57

Finding the Fourth Proportional to 644,719,742.11, 889,716,257.09 and 366,276,544.57

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Solution

The fourth proportional to 644,719,742.11, 889,716,257.09 and 366,276,544.57 is: 505,463,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,719,742.11 : 889,716,257.09 = 366,276,544.57 : x
  2. Step 2: Convert to fraction form
    644,719,742.11/889,716,257.09 = 366,276,544.57/x
  3. Step 3: Cross multiply
    644,719,742.11x = 889,716,257.09 × 366,276,544.57
  4. Step 4: Simplify right side
    644,719,742.11x = 325,882,196,295,345,792
  5. Step 5: Solve for x
    x = 325,882,196,295,345,792/644,719,742.11
  6. Step 6: Final answer
    x = 505,463,343.23

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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.