Home / 677,211,277.86-1,015,767,591.44-303,834,781.89

Finding the Fourth Proportional to 677,211,277.86, 1,015,767,591.44 and 303,834,781.89

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Solution

The fourth proportional to 677,211,277.86, 1,015,767,591.44 and 303,834,781.89 is: 455,730,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,211,277.86 : 1,015,767,591.44 = 303,834,781.89 : x
  2. Step 2: Convert to fraction form
    677,211,277.86/1,015,767,591.44 = 303,834,781.89/x
  3. Step 3: Cross multiply
    677,211,277.86x = 1,015,767,591.44 × 303,834,781.89
  4. Step 4: Simplify right side
    677,211,277.86x = 308,625,524,594,583,808
  5. Step 5: Solve for x
    x = 308,625,524,594,583,808/677,211,277.86
  6. Step 6: Final answer
    x = 455,730,042.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.