Home / 768,345,516.44-1,152,159,460.74-276,994,073.24

Finding the Fourth Proportional to 768,345,516.44, 1,152,159,460.74 and 276,994,073.24

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Solution

The fourth proportional to 768,345,516.44, 1,152,159,460.74 and 276,994,073.24 is: 415,361,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,345,516.44 : 1,152,159,460.74 = 276,994,073.24 : x
  2. Step 2: Convert to fraction form
    768,345,516.44/1,152,159,460.74 = 276,994,073.24/x
  3. Step 3: Cross multiply
    768,345,516.44x = 1,152,159,460.74 × 276,994,073.24
  4. Step 4: Simplify right side
    768,345,516.44x = 319,141,342,052,374,464
  5. Step 5: Solve for x
    x = 319,141,342,052,374,464/768,345,516.44
  6. Step 6: Final answer
    x = 415,361,754.87

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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.