Finding the Fourth Proportional to 822,158,664.40, 1,232,745,504.15 and 261,678,395.66
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Solution
The fourth proportional to 822,158,664.40, 1,232,745,504.15 and 261,678,395.66 is: 392,360,841.95
Step by Step Solution
- Step 1: Write the proportion equation
822,158,664.40 : 1,232,745,504.15 = 261,678,395.66 : x - Step 2: Convert to fraction form
822,158,664.40/1,232,745,504.15 = 261,678,395.66/x - Step 3: Cross multiply
822,158,664.40x = 1,232,745,504.15 × 261,678,395.66 - Step 4: Simplify right side
822,158,664.40x = 322,582,865,783,329,280 - Step 5: Solve for x
x = 322,582,865,783,329,280/822,158,664.40 - Step 6: Final answer
x = 392,360,841.95
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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.