Finding the Fourth Proportional to 2,387,922,806.80, 3,578,482,987.80 and 1,761,247,579.60
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Solution
The fourth proportional to 2,387,922,806.80, 3,578,482,987.80 and 1,761,247,579.60 is: 2,639,362,747.81
Step by Step Solution
- Step 1: Write the proportion equation
2,387,922,806.80 : 3,578,482,987.80 = 1,761,247,579.60 : x - Step 2: Convert to fraction form
2,387,922,806.80/3,578,482,987.80 = 1,761,247,579.60/x - Step 3: Cross multiply
2,387,922,806.80x = 3,578,482,987.80 × 1,761,247,579.60 - Step 4: Simplify right side
2,387,922,806.80x = 6,302,594,500,902,525,952 - Step 5: Solve for x
x = 6,302,594,500,902,525,952/2,387,922,806.80 - Step 6: Final answer
x = 2,639,362,747.81
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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.