Home / 1,772,470,257.93-2,656,328,857.83-1,379,471,638.32

Finding the Fourth Proportional to 1,772,470,257.93, 2,656,328,857.83 and 1,379,471,638.32

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Solution

The fourth proportional to 1,772,470,257.93, 2,656,328,857.83 and 1,379,471,638.32 is: 2,067,357,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,470,257.93 : 2,656,328,857.83 = 1,379,471,638.32 : x
  2. Step 2: Convert to fraction form
    1,772,470,257.93/2,656,328,857.83 = 1,379,471,638.32/x
  3. Step 3: Cross multiply
    1,772,470,257.93x = 2,656,328,857.83 × 1,379,471,638.32
  4. Step 4: Simplify right side
    1,772,470,257.93x = 3,664,330,321,427,444,224
  5. Step 5: Solve for x
    x = 3,664,330,321,427,444,224/1,772,470,257.93
  6. Step 6: Final answer
    x = 2,067,357,861.17

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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.