Finding the Fourth Proportional to 1,177,864,522.88, 1,625,379,092.16 and 649,199,416.64
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Solution
The fourth proportional to 1,177,864,522.88, 1,625,379,092.16 and 649,199,416.64 is: 895,854,436.53
Step by Step Solution
- Step 1: Write the proportion equation
1,177,864,522.88 : 1,625,379,092.16 = 649,199,416.64 : x - Step 2: Convert to fraction form
1,177,864,522.88/1,625,379,092.16 = 649,199,416.64/x - Step 3: Cross multiply
1,177,864,522.88x = 1,625,379,092.16 × 649,199,416.64 - Step 4: Simplify right side
1,177,864,522.88x = 1,055,195,158,449,124,864 - Step 5: Solve for x
x = 1,055,195,158,449,124,864/1,177,864,522.88 - Step 6: Final answer
x = 895,854,436.53
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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.