Finding the Fourth Proportional to 277,321,957.13, 382,699,623.70 and 153,559,977.05
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Solution
The fourth proportional to 277,321,957.13, 382,699,623.70 and 153,559,977.05 is: 211,910,178.48
Step by Step Solution
- Step 1: Write the proportion equation
277,321,957.13 : 382,699,623.70 = 153,559,977.05 : x - Step 2: Convert to fraction form
277,321,957.13/382,699,623.70 = 153,559,977.05/x - Step 3: Cross multiply
277,321,957.13x = 382,699,623.70 × 153,559,977.05 - Step 4: Simplify right side
277,321,957.13x = 58,767,345,432,415,640 - Step 5: Solve for x
x = 58,767,345,432,415,640/277,321,957.13 - Step 6: Final answer
x = 211,910,178.48
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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.