Finding the Fourth Proportional to 627,817,360.68, 866,331,644.92 and 363,517,192.12
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Solution
The fourth proportional to 627,817,360.68, 866,331,644.92 and 363,517,192.12 is: 501,621,119.02
Step by Step Solution
- Step 1: Write the proportion equation
627,817,360.68 : 866,331,644.92 = 363,517,192.12 : x - Step 2: Convert to fraction form
627,817,360.68/866,331,644.92 = 363,517,192.12/x - Step 3: Cross multiply
627,817,360.68x = 866,331,644.92 × 363,517,192.12 - Step 4: Simplify right side
627,817,360.68x = 314,926,447,006,019,264 - Step 5: Solve for x
x = 314,926,447,006,019,264/627,817,360.68 - Step 6: Final answer
x = 501,621,119.02
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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.