Finding the Fourth Proportional to 442,849,763.70, 664,271,146.35 and 115,324,643.70
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Solution
The fourth proportional to 442,849,763.70, 664,271,146.35 and 115,324,643.70 is: 172,986,054.31
Step by Step Solution
- Step 1: Write the proportion equation
442,849,763.70 : 664,271,146.35 = 115,324,643.70 : x - Step 2: Convert to fraction form
442,849,763.70/664,271,146.35 = 115,324,643.70/x - Step 3: Cross multiply
442,849,763.70x = 664,271,146.35 × 115,324,643.70 - Step 4: Simplify right side
442,849,763.70x = 76,606,833,273,004,304 - Step 5: Solve for x
x = 76,606,833,273,004,304/442,849,763.70 - Step 6: Final answer
x = 172,986,054.31
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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.