Home / 786,882,709.75-1,180,380,751.67-302,208,517.75

Finding the Fourth Proportional to 786,882,709.75, 1,180,380,751.67 and 302,208,517.75

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Solution

The fourth proportional to 786,882,709.75, 1,180,380,751.67 and 302,208,517.75 is: 453,334,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,882,709.75 : 1,180,380,751.67 = 302,208,517.75 : x
  2. Step 2: Convert to fraction form
    786,882,709.75/1,180,380,751.67 = 302,208,517.75/x
  3. Step 3: Cross multiply
    786,882,709.75x = 1,180,380,751.67 × 302,208,517.75
  4. Step 4: Simplify right side
    786,882,709.75x = 356,721,117,342,821,568
  5. Step 5: Solve for x
    x = 356,721,117,342,821,568/786,882,709.75
  6. Step 6: Final answer
    x = 453,334,547.73

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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.