Home / 644,719,739.86-889,716,253.98-366,276,542.32

Finding the Fourth Proportional to 644,719,739.86, 889,716,253.98 and 366,276,542.32

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Solution

The fourth proportional to 644,719,739.86, 889,716,253.98 and 366,276,542.32 is: 505,463,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,719,739.86 : 889,716,253.98 = 366,276,542.32 : x
  2. Step 2: Convert to fraction form
    644,719,739.86/889,716,253.98 = 366,276,542.32/x
  3. Step 3: Cross multiply
    644,719,739.86x = 889,716,253.98 × 366,276,542.32
  4. Step 4: Simplify right side
    644,719,739.86x = 325,882,193,156,183,040
  5. Step 5: Solve for x
    x = 325,882,193,156,183,040/644,719,739.86
  6. Step 6: Final answer
    x = 505,463,340.13

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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.