Finding the Fourth Proportional to 505,306,478.57, 758,032,021.04 and 155,582,137.08
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Solution
The fourth proportional to 505,306,478.57, 758,032,021.04 and 155,582,137.08 is: 233,395,467.52
Step by Step Solution
- Step 1: Write the proportion equation
505,306,478.57 : 758,032,021.04 = 155,582,137.08 : x - Step 2: Convert to fraction form
505,306,478.57/758,032,021.04 = 155,582,137.08/x - Step 3: Cross multiply
505,306,478.57x = 758,032,021.04 × 155,582,137.08 - Step 4: Simplify right side
505,306,478.57x = 117,936,241,807,696,816 - Step 5: Solve for x
x = 117,936,241,807,696,816/505,306,478.57 - Step 6: Final answer
x = 233,395,467.52
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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.