Finding the Fourth Proportional to 408,976,302.84, 564,435,728.46 and 230,366,069.88
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Solution
The fourth proportional to 408,976,302.84, 564,435,728.46 and 230,366,069.88 is: 317,932,456.14
Step by Step Solution
- Step 1: Write the proportion equation
408,976,302.84 : 564,435,728.46 = 230,366,069.88 : x - Step 2: Convert to fraction form
408,976,302.84/564,435,728.46 = 230,366,069.88/x - Step 3: Cross multiply
408,976,302.84x = 564,435,728.46 × 230,366,069.88 - Step 4: Simplify right side
408,976,302.84x = 130,026,840,465,185,072 - Step 5: Solve for x
x = 130,026,840,465,185,072/408,976,302.84 - Step 6: Final answer
x = 317,932,456.14
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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.