Finding the Fourth Proportional to 284,628,324.36, 392,787,423.62 and 154,248,132.36
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Solution
The fourth proportional to 284,628,324.36, 392,787,423.62 and 154,248,132.36 is: 212,862,604.75
Step by Step Solution
- Step 1: Write the proportion equation
284,628,324.36 : 392,787,423.62 = 154,248,132.36 : x - Step 2: Convert to fraction form
284,628,324.36/392,787,423.62 = 154,248,132.36/x - Step 3: Cross multiply
284,628,324.36x = 392,787,423.62 × 154,248,132.36 - Step 4: Simplify right side
284,628,324.36x = 60,586,726,507,881,160 - Step 5: Solve for x
x = 60,586,726,507,881,160/284,628,324.36 - Step 6: Final answer
x = 212,862,604.75
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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.