Home / 644,719,750.70-889,716,268.96-366,276,553.16

Finding the Fourth Proportional to 644,719,750.70, 889,716,268.96 and 366,276,553.16

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Solution

The fourth proportional to 644,719,750.70, 889,716,268.96 and 366,276,553.16 is: 505,463,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,719,750.70 : 889,716,268.96 = 366,276,553.16 : x
  2. Step 2: Convert to fraction form
    644,719,750.70/889,716,268.96 = 366,276,553.16/x
  3. Step 3: Cross multiply
    644,719,750.70x = 889,716,268.96 × 366,276,553.16
  4. Step 4: Simplify right side
    644,719,750.70x = 325,882,208,286,352,896
  5. Step 5: Solve for x
    x = 325,882,208,286,352,896/644,719,750.70
  6. Step 6: Final answer
    x = 505,463,355.10

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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.