Finding the Fourth Proportional to 7,278,536,441.20, 10,917,804,661.80 and 3,605,216,249.20
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Solution
The fourth proportional to 7,278,536,441.20, 10,917,804,661.80 and 3,605,216,249.20 is: 5,407,824,373.80
Step by Step Solution
- Step 1: Write the proportion equation
7,278,536,441.20 : 10,917,804,661.80 = 3,605,216,249.20 : x - Step 2: Convert to fraction form
7,278,536,441.20/10,917,804,661.80 = 3,605,216,249.20/x - Step 3: Cross multiply
7,278,536,441.20x = 10,917,804,661.80 × 3,605,216,249.20 - Step 4: Simplify right side
7,278,536,441.20x = 39,361,046,772,312,866,816 - Step 5: Solve for x
x = 39,361,046,772,312,866,816/7,278,536,441.20 - Step 6: Final answer
x = 5,407,824,373.80
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1.5x scale
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.