Finding the Fourth Proportional to 7,108,177,367.99, 9,809,593,115.09 and 3,936,361,284.95
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Solution
The fourth proportional to 7,108,177,367.99, 9,809,593,115.09 and 3,936,361,284.95 is: 5,432,349,329.54
Step by Step Solution
- Step 1: Write the proportion equation
7,108,177,367.99 : 9,809,593,115.09 = 3,936,361,284.95 : x - Step 2: Convert to fraction form
7,108,177,367.99/9,809,593,115.09 = 3,936,361,284.95/x - Step 3: Cross multiply
7,108,177,367.99x = 9,809,593,115.09 × 3,936,361,284.95 - Step 4: Simplify right side
7,108,177,367.99x = 38,614,102,559,283,617,792 - Step 5: Solve for x
x = 38,614,102,559,283,617,792/7,108,177,367.99 - Step 6: Final answer
x = 5,432,349,329.54
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1.5x scale
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.