Finding the Fourth Proportional to 627,817,356.69, 866,331,639.41 and 363,517,188.12
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Solution
The fourth proportional to 627,817,356.69, 866,331,639.41 and 363,517,188.12 is: 501,621,113.50
Step by Step Solution
- Step 1: Write the proportion equation
627,817,356.69 : 866,331,639.41 = 363,517,188.12 : x - Step 2: Convert to fraction form
627,817,356.69/866,331,639.41 = 363,517,188.12/x - Step 3: Cross multiply
627,817,356.69x = 866,331,639.41 × 363,517,188.12 - Step 4: Simplify right side
627,817,356.69x = 314,926,441,534,638,400 - Step 5: Solve for x
x = 314,926,441,534,638,400/627,817,356.69 - Step 6: Final answer
x = 501,621,113.50
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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.