Finding the Fourth Proportional to 1,623,057,716.07, 2,433,071,962.40 and 640,492,391.97
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Solution
The fourth proportional to 1,623,057,716.07, 2,433,071,962.40 and 640,492,391.97 is: 960,140,890.62
Step by Step Solution
- Step 1: Write the proportion equation
1,623,057,716.07 : 2,433,071,962.40 = 640,492,391.97 : x - Step 2: Convert to fraction form
1,623,057,716.07/2,433,071,962.40 = 640,492,391.97/x - Step 3: Cross multiply
1,623,057,716.07x = 2,433,071,962.40 × 640,492,391.97 - Step 4: Simplify right side
1,623,057,716.07x = 1,558,364,081,029,515,520 - Step 5: Solve for x
x = 1,558,364,081,029,515,520/1,623,057,716.07 - Step 6: Final answer
x = 960,140,890.62
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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.