Finding the Fourth Proportional to 4,485,990,756.51, 6,191,020,141.29 and 2,554,840,213.29
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Solution
The fourth proportional to 4,485,990,756.51, 6,191,020,141.29 and 2,554,840,213.29 is: 3,525,880,474.74
Step by Step Solution
- Step 1: Write the proportion equation
4,485,990,756.51 : 6,191,020,141.29 = 2,554,840,213.29 : x - Step 2: Convert to fraction form
4,485,990,756.51/6,191,020,141.29 = 2,554,840,213.29/x - Step 3: Cross multiply
4,485,990,756.51x = 6,191,020,141.29 × 2,554,840,213.29 - Step 4: Simplify right side
4,485,990,756.51x = 15,817,067,218,256,029,696 - Step 5: Solve for x
x = 15,817,067,218,256,029,696/4,485,990,756.51 - Step 6: Final answer
x = 3,525,880,474.74
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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.