Finding the Fourth Proportional to 18,387,791,692,882, 27,581,714,085,020 and 7,509,045,390,706
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Solution
The fourth proportional to 18,387,791,692,882, 27,581,714,085,020 and 7,509,045,390,706 is: 11,263,578,926,558.34
Step by Step Solution
- Step 1: Write the proportion equation
18,387,791,692,882 : 27,581,714,085,020 = 7,509,045,390,706 : x - Step 2: Convert to fraction form
18,387,791,692,882/27,581,714,085,020 = 7,509,045,390,706/x - Step 3: Cross multiply
18,387,791,692,882x = 27,581,714,085,020 × 7,509,045,390,706 - Step 4: Simplify right side
18,387,791,692,882x = 207,112,343,017,890,205,839,392,768 - Step 5: Solve for x
x = 207,112,343,017,890,205,839,392,768/18,387,791,692,882 - Step 6: Final answer
x = 11,263,578,926,558.34
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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.