Finding the Fourth Proportional to 644,602,476.68, 966,902,508.98 and 201,979,041.70
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Solution
The fourth proportional to 644,602,476.68, 966,902,508.98 and 201,979,041.70 is: 302,968,184.65
Step by Step Solution
- Step 1: Write the proportion equation
644,602,476.68 : 966,902,508.98 = 201,979,041.70 : x - Step 2: Convert to fraction form
644,602,476.68/966,902,508.98 = 201,979,041.70/x - Step 3: Cross multiply
644,602,476.68x = 966,902,508.98 × 201,979,041.70 - Step 4: Simplify right side
644,602,476.68x = 195,294,042,181,106,048 - Step 5: Solve for x
x = 195,294,042,181,106,048/644,602,476.68 - Step 6: Final answer
x = 302,968,184.65
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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.