Home / 2,859,325,345.95-4,286,531,605.14-993,728,661.18

Finding the Fourth Proportional to 2,859,325,345.95, 4,286,531,605.14 and 993,728,661.18

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Solution

The fourth proportional to 2,859,325,345.95, 4,286,531,605.14 and 993,728,661.18 is: 1,489,739,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,325,345.95 : 4,286,531,605.14 = 993,728,661.18 : x
  2. Step 2: Convert to fraction form
    2,859,325,345.95/4,286,531,605.14 = 993,728,661.18/x
  3. Step 3: Cross multiply
    2,859,325,345.95x = 4,286,531,605.14 × 993,728,661.18
  4. Step 4: Simplify right side
    2,859,325,345.95x = 4,259,649,313,081,528,320
  5. Step 5: Solve for x
    x = 4,259,649,313,081,528,320/2,859,325,345.95
  6. Step 6: Final answer
    x = 1,489,739,290.81

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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.