Home / 777,956,002.88-1,073,582,496.37-420,723,771.77

Finding the Fourth Proportional to 777,956,002.88, 1,073,582,496.37 and 420,723,771.77

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Solution

The fourth proportional to 777,956,002.88, 1,073,582,496.37 and 420,723,771.77 is: 580,600,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,956,002.88 : 1,073,582,496.37 = 420,723,771.77 : x
  2. Step 2: Convert to fraction form
    777,956,002.88/1,073,582,496.37 = 420,723,771.77/x
  3. Step 3: Cross multiply
    777,956,002.88x = 1,073,582,496.37 × 420,723,771.77
  4. Step 4: Simplify right side
    777,956,002.88x = 451,681,677,171,567,168
  5. Step 5: Solve for x
    x = 451,681,677,171,567,168/777,956,002.88
  6. Step 6: Final answer
    x = 580,600,542.32

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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.