Home / 786,882,640.50-1,180,380,647.79-302,208,448.50

Finding the Fourth Proportional to 786,882,640.50, 1,180,380,647.79 and 302,208,448.50

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Solution

The fourth proportional to 786,882,640.50, 1,180,380,647.79 and 302,208,448.50 is: 453,334,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,882,640.50 : 1,180,380,647.79 = 302,208,448.50 : x
  2. Step 2: Convert to fraction form
    786,882,640.50/1,180,380,647.79 = 302,208,448.50/x
  3. Step 3: Cross multiply
    786,882,640.50x = 1,180,380,647.79 × 302,208,448.50
  4. Step 4: Simplify right side
    786,882,640.50x = 356,721,004,208,040,832
  5. Step 5: Solve for x
    x = 356,721,004,208,040,832/786,882,640.50
  6. Step 6: Final answer
    x = 453,334,443.85

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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.