Home / 859,369,837.28-1,289,054,855.79-269,206,066.17

Finding the Fourth Proportional to 859,369,837.28, 1,289,054,855.79 and 269,206,066.17

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Solution

The fourth proportional to 859,369,837.28, 1,289,054,855.79 and 269,206,066.17 is: 403,809,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,369,837.28 : 1,289,054,855.79 = 269,206,066.17 : x
  2. Step 2: Convert to fraction form
    859,369,837.28/1,289,054,855.79 = 269,206,066.17/x
  3. Step 3: Cross multiply
    859,369,837.28x = 1,289,054,855.79 × 269,206,066.17
  4. Step 4: Simplify right side
    859,369,837.28x = 347,021,386,804,562,560
  5. Step 5: Solve for x
    x = 347,021,386,804,562,560/859,369,837.28
  6. Step 6: Final answer
    x = 403,809,130.54

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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.