Finding the Fourth Proportional to 1,241,304,545.14, 1,862,148,136.46 and 423,225,527.38
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Solution
The fourth proportional to 1,241,304,545.14, 1,862,148,136.46 and 423,225,527.38 is: 634,903,521.62
Step by Step Solution
- Step 1: Write the proportion equation
1,241,304,545.14 : 1,862,148,136.46 = 423,225,527.38 : x - Step 2: Convert to fraction form
1,241,304,545.14/1,862,148,136.46 = 423,225,527.38/x - Step 3: Cross multiply
1,241,304,545.14x = 1,862,148,136.46 × 423,225,527.38 - Step 4: Simplify right side
1,241,304,545.14x = 788,108,627,104,715,008 - Step 5: Solve for x
x = 788,108,627,104,715,008/1,241,304,545.14 - Step 6: Final answer
x = 634,903,521.62
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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.