Finding the Fourth Proportional to 602,413,827.33, 831,660,949.17 and 421,639,040.19
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Solution
The fourth proportional to 602,413,827.33, 831,660,949.17 and 421,639,040.19 is: 582,092,754.95
Step by Step Solution
- Step 1: Write the proportion equation
602,413,827.33 : 831,660,949.17 = 421,639,040.19 : x - Step 2: Convert to fraction form
602,413,827.33/831,660,949.17 = 421,639,040.19/x - Step 3: Cross multiply
602,413,827.33x = 831,660,949.17 × 421,639,040.19 - Step 4: Simplify right side
602,413,827.33x = 350,660,724,371,543,168 - Step 5: Solve for x
x = 350,660,724,371,543,168/602,413,827.33 - Step 6: Final answer
x = 582,092,754.95
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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.