Home / 315,378,879,270-435,217,180,152.88-178,198,760,205.92

Finding the Fourth Proportional to 315,378,879,270, 435,217,180,152.88 and 178,198,760,205.92

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Solution

The fourth proportional to 315,378,879,270, 435,217,180,152.88 and 178,198,760,205.92 is: 245,911,083,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,378,879,270 : 435,217,180,152.88 = 178,198,760,205.92 : x
  2. Step 2: Convert to fraction form
    315,378,879,270/435,217,180,152.88 = 178,198,760,205.92/x
  3. Step 3: Cross multiply
    315,378,879,270x = 435,217,180,152.88 × 178,198,760,205.92
  4. Step 4: Simplify right side
    315,378,879,270x = 77,555,161,923,559,756,922,880
  5. Step 5: Solve for x
    x = 77,555,161,923,559,756,922,880/315,378,879,270
  6. Step 6: Final answer
    x = 245,911,083,529.36

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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.