Finding the Fourth Proportional to 3,195,577,664,799.10, 4,792,882,178,865.20 and 869,715,676,867.80
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Solution
The fourth proportional to 3,195,577,664,799.10, 4,792,882,178,865.20 and 869,715,676,867.80 is: 1,304,441,702,123.81
Step by Step Solution
- Step 1: Write the proportion equation
3,195,577,664,799.10 : 4,792,882,178,865.20 = 869,715,676,867.80 : x - Step 2: Convert to fraction form
3,195,577,664,799.10/4,792,882,178,865.20 = 869,715,676,867.80/x - Step 3: Cross multiply
3,195,577,664,799.10x = 4,792,882,178,865.20 × 869,715,676,867.80 - Step 4: Simplify right side
3,195,577,664,799.10x = 4,168,444,768,339,364,124,033,024 - Step 5: Solve for x
x = 4,168,444,768,339,364,124,033,024/3,195,577,664,799.10 - Step 6: Final answer
x = 1,304,441,702,123.81
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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.