Finding the Fourth Proportional to 647,913,932.13, 894,146,599.76 and 365,666,232.14
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Solution
The fourth proportional to 647,913,932.13, 894,146,599.76 and 365,666,232.14 is: 504,633,720.46
Step by Step Solution
- Step 1: Write the proportion equation
647,913,932.13 : 894,146,599.76 = 365,666,232.14 : x - Step 2: Convert to fraction form
647,913,932.13/894,146,599.76 = 365,666,232.14/x - Step 3: Cross multiply
647,913,932.13x = 894,146,599.76 × 365,666,232.14 - Step 4: Simplify right side
647,913,932.13x = 326,959,218,108,732,736 - Step 5: Solve for x
x = 326,959,218,108,732,736/647,913,932.13 - Step 6: Final answer
x = 504,633,720.46
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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.