Finding the Fourth Proportional to 644,602,444.07, 966,902,458.97 and 201,979,008.41
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Solution
The fourth proportional to 644,602,444.07, 966,902,458.97 and 201,979,008.41 is: 302,968,134.37
Step by Step Solution
- Step 1: Write the proportion equation
644,602,444.07 : 966,902,458.97 = 201,979,008.41 : x - Step 2: Convert to fraction form
644,602,444.07/966,902,458.97 = 201,979,008.41/x - Step 3: Cross multiply
644,602,444.07x = 966,902,458.97 × 201,979,008.41 - Step 4: Simplify right side
644,602,444.07x = 195,293,999,886,106,912 - Step 5: Solve for x
x = 195,293,999,886,106,912/644,602,444.07 - Step 6: Final answer
x = 302,968,134.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.