Home / 789,908,626.92-1,090,071,184.15-455,379,554.33

Finding the Fourth Proportional to 789,908,626.92, 1,090,071,184.15 and 455,379,554.33

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Solution

The fourth proportional to 789,908,626.92, 1,090,071,184.15 and 455,379,554.33 is: 628,422,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,908,626.92 : 1,090,071,184.15 = 455,379,554.33 : x
  2. Step 2: Convert to fraction form
    789,908,626.92/1,090,071,184.15 = 455,379,554.33/x
  3. Step 3: Cross multiply
    789,908,626.92x = 1,090,071,184.15 × 455,379,554.33
  4. Step 4: Simplify right side
    789,908,626.92x = 496,396,130,025,676,864
  5. Step 5: Solve for x
    x = 496,396,130,025,676,864/789,908,626.92
  6. Step 6: Final answer
    x = 628,422,216.33

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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.