Home / 644,719,747.26-889,716,264.18-366,276,549.72

Finding the Fourth Proportional to 644,719,747.26, 889,716,264.18 and 366,276,549.72

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Solution

The fourth proportional to 644,719,747.26, 889,716,264.18 and 366,276,549.72 is: 505,463,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,719,747.26 : 889,716,264.18 = 366,276,549.72 : x
  2. Step 2: Convert to fraction form
    644,719,747.26/889,716,264.18 = 366,276,549.72/x
  3. Step 3: Cross multiply
    644,719,747.26x = 889,716,264.18 × 366,276,549.72
  4. Step 4: Simplify right side
    644,719,747.26x = 325,882,203,473,618,432
  5. Step 5: Solve for x
    x = 325,882,203,473,618,432/644,719,747.26
  6. Step 6: Final answer
    x = 505,463,350.33

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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.