Finding the Fourth Proportional to 18,387,791,692,577, 27,581,714,084,546 and 7,509,045,390,389
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Solution
The fourth proportional to 18,387,791,692,577, 27,581,714,084,546 and 7,509,045,390,389 is: 11,263,578,926,076.10
Step by Step Solution
- Step 1: Write the proportion equation
18,387,791,692,577 : 27,581,714,084,546 = 7,509,045,390,389 : x - Step 2: Convert to fraction form
18,387,791,692,577/27,581,714,084,546 = 7,509,045,390,389/x - Step 3: Cross multiply
18,387,791,692,577x = 27,581,714,084,546 × 7,509,045,390,389 - Step 4: Simplify right side
18,387,791,692,577x = 207,112,343,005,587,495,358,300,160 - Step 5: Solve for x
x = 207,112,343,005,587,495,358,300,160/18,387,791,692,577 - Step 6: Final answer
x = 11,263,578,926,076.10
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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.