Home / 622,107,832.80-858,492,172.08-343,643,363.04

Finding the Fourth Proportional to 622,107,832.80, 858,492,172.08 and 343,643,363.04

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Solution

The fourth proportional to 622,107,832.80, 858,492,172.08 and 343,643,363.04 is: 474,218,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,107,832.80 : 858,492,172.08 = 343,643,363.04 : x
  2. Step 2: Convert to fraction form
    622,107,832.80/858,492,172.08 = 343,643,363.04/x
  3. Step 3: Cross multiply
    622,107,832.80x = 858,492,172.08 × 343,643,363.04
  4. Step 4: Simplify right side
    622,107,832.80x = 295,015,137,157,085,632
  5. Step 5: Solve for x
    x = 295,015,137,157,085,632/622,107,832.80
  6. Step 6: Final answer
    x = 474,218,650.86

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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.