Finding the Fourth Proportional to 27,996,879,445,251, 38,634,854,879,689 and 15,497,121,845,622
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Solution
The fourth proportional to 27,996,879,445,251, 38,634,854,879,689 and 15,497,121,845,622 is: 21,385,563,870,762.90
Step by Step Solution
- Step 1: Write the proportion equation
27,996,879,445,251 : 38,634,854,879,689 = 15,497,121,845,622 : x - Step 2: Convert to fraction form
27,996,879,445,251/38,634,854,879,689 = 15,497,121,845,622/x - Step 3: Cross multiply
27,996,879,445,251x = 38,634,854,879,689 × 15,497,121,845,622 - Step 4: Simplify right side
27,996,879,445,251x = 598,729,053,558,464,157,719,724,032 - Step 5: Solve for x
x = 598,729,053,558,464,157,719,724,032/27,996,879,445,251 - Step 6: Final answer
x = 21,385,563,870,762.90
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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.