Finding the Fourth Proportional to 746,426,450.76, 1,119,635,690.16 and 193,728,474.96
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Solution
The fourth proportional to 746,426,450.76, 1,119,635,690.16 and 193,728,474.96 is: 290,591,677.91
Step by Step Solution
- Step 1: Write the proportion equation
746,426,450.76 : 1,119,635,690.16 = 193,728,474.96 : x - Step 2: Convert to fraction form
746,426,450.76/1,119,635,690.16 = 193,728,474.96/x - Step 3: Cross multiply
746,426,450.76x = 1,119,635,690.16 × 193,728,474.96 - Step 4: Simplify right side
746,426,450.76x = 216,905,314,765,483,904 - Step 5: Solve for x
x = 216,905,314,765,483,904/746,426,450.76 - Step 6: Final answer
x = 290,591,677.91
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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.