Finding the Fourth Proportional to 419,755,580,477.95, 629,696,326,677.98 and 147,431,830,893.77
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Solution
The fourth proportional to 419,755,580,477.95, 629,696,326,677.98 and 147,431,830,893.77 is: 221,169,858,524.59
Step by Step Solution
- Step 1: Write the proportion equation
419,755,580,477.95 : 629,696,326,677.98 = 147,431,830,893.77 : x - Step 2: Convert to fraction form
419,755,580,477.95/629,696,326,677.98 = 147,431,830,893.77/x - Step 3: Cross multiply
419,755,580,477.95x = 629,696,326,677.98 × 147,431,830,893.77 - Step 4: Simplify right side
419,755,580,477.95x = 92,837,282,349,216,088,195,072 - Step 5: Solve for x
x = 92,837,282,349,216,088,195,072/419,755,580,477.95 - Step 6: Final answer
x = 221,169,858,524.59
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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.