Finding the Fourth Proportional to 954,379,260.91, 1,431,554,485.77 and 429,377,623.82
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Solution
The fourth proportional to 954,379,260.91, 1,431,554,485.77 and 429,377,623.82 is: 644,059,954.61
Step by Step Solution
- Step 1: Write the proportion equation
954,379,260.91 : 1,431,554,485.77 = 429,377,623.82 : x - Step 2: Convert to fraction form
954,379,260.91/1,431,554,485.77 = 429,377,623.82/x - Step 3: Cross multiply
954,379,260.91x = 1,431,554,485.77 × 429,377,623.82 - Step 4: Simplify right side
954,379,260.91x = 614,677,463,466,995,200 - Step 5: Solve for x
x = 614,677,463,466,995,200/954,379,260.91 - Step 6: Final answer
x = 644,059,954.61
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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.