Finding the Fourth Proportional to 18,012,374,770.05, 27,013,122,462 and 5,417,889,852.06
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Solution
The fourth proportional to 18,012,374,770.05, 27,013,122,462 and 5,417,889,852.06 is: 8,125,198,588.62
Step by Step Solution
- Step 1: Write the proportion equation
18,012,374,770.05 : 27,013,122,462 = 5,417,889,852.06 : x - Step 2: Convert to fraction form
18,012,374,770.05/27,013,122,462 = 5,417,889,852.06/x - Step 3: Cross multiply
18,012,374,770.05x = 27,013,122,462 × 5,417,889,852.06 - Step 4: Simplify right side
18,012,374,770.05x = 146,354,122,059,323,850,752 - Step 5: Solve for x
x = 146,354,122,059,323,850,752/18,012,374,770.05 - Step 6: Final answer
x = 8,125,198,588.62
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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.