Home / 810,937,647.32-1,216,522,993.26-250,743,130.52

Finding the Fourth Proportional to 810,937,647.32, 1,216,522,993.26 and 250,743,130.52

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Solution

The fourth proportional to 810,937,647.32, 1,216,522,993.26 and 250,743,130.52 is: 376,150,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,937,647.32 : 1,216,522,993.26 = 250,743,130.52 : x
  2. Step 2: Convert to fraction form
    810,937,647.32/1,216,522,993.26 = 250,743,130.52/x
  3. Step 3: Cross multiply
    810,937,647.32x = 1,216,522,993.26 × 250,743,130.52
  4. Step 4: Simplify right side
    810,937,647.32x = 305,034,783,679,573,248
  5. Step 5: Solve for x
    x = 305,034,783,679,573,248/810,937,647.32
  6. Step 6: Final answer
    x = 376,150,724.64

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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.