Finding the Fourth Proportional to 2,166,836,231.79, 3,244,736,705.85 and 1,427,665,177.62
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Solution
The fourth proportional to 2,166,836,231.79, 3,244,736,705.85 and 1,427,665,177.62 is: 2,137,862,353.20
Step by Step Solution
- Step 1: Write the proportion equation
2,166,836,231.79 : 3,244,736,705.85 = 1,427,665,177.62 : x - Step 2: Convert to fraction form
2,166,836,231.79/3,244,736,705.85 = 1,427,665,177.62/x - Step 3: Cross multiply
2,166,836,231.79x = 3,244,736,705.85 × 1,427,665,177.62 - Step 4: Simplify right side
2,166,836,231.79x = 4,632,397,605,487,473,664 - Step 5: Solve for x
x = 4,632,397,605,487,473,664/2,166,836,231.79 - Step 6: Final answer
x = 2,137,862,353.20
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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.