Finding the Fourth Proportional to 49,879,357,677, 68,832,965,230.74 and 27,015,926,622.48
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Solution
The fourth proportional to 49,879,357,677, 68,832,965,230.74 and 27,015,926,622.48 is: 37,281,681,731.42
Step by Step Solution
- Step 1: Write the proportion equation
49,879,357,677 : 68,832,965,230.74 = 27,015,926,622.48 : x - Step 2: Convert to fraction form
49,879,357,677/68,832,965,230.74 = 27,015,926,622.48/x - Step 3: Cross multiply
49,879,357,677x = 68,832,965,230.74 × 27,015,926,622.48 - Step 4: Simplify right side
49,879,357,677x = 1,859,586,337,881,389,006,848 - Step 5: Solve for x
x = 1,859,586,337,881,389,006,848/49,879,357,677 - Step 6: Final answer
x = 37,281,681,731.42
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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.