Finding the Fourth Proportional to 3,195,577,664,809.20, 4,792,882,178,880.20 and 869,715,676,877.80
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Solution
The fourth proportional to 3,195,577,664,809.20, 4,792,882,178,880.20 and 869,715,676,877.80 is: 1,304,441,702,138.77
Step by Step Solution
- Step 1: Write the proportion equation
3,195,577,664,809.20 : 4,792,882,178,880.20 = 869,715,676,877.80 : x - Step 2: Convert to fraction form
3,195,577,664,809.20/4,792,882,178,880.20 = 869,715,676,877.80/x - Step 3: Cross multiply
3,195,577,664,809.20x = 4,792,882,178,880.20 × 869,715,676,877.80 - Step 4: Simplify right side
3,195,577,664,809.20x = 4,168,444,768,400,338,700,992,512 - Step 5: Solve for x
x = 4,168,444,768,400,338,700,992,512/3,195,577,664,809.20 - Step 6: Final answer
x = 1,304,441,702,138.77
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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.