Finding the Fourth Proportional to 3,195,577,664,810.80, 4,792,882,178,882.50 and 869,715,676,879.75
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Solution
The fourth proportional to 3,195,577,664,810.80, 4,792,882,178,882.50 and 869,715,676,879.75 is: 1,304,441,702,141.66
Step by Step Solution
- Step 1: Write the proportion equation
3,195,577,664,810.80 : 4,792,882,178,882.50 = 869,715,676,879.75 : x - Step 2: Convert to fraction form
3,195,577,664,810.80/4,792,882,178,882.50 = 869,715,676,879.75/x - Step 3: Cross multiply
3,195,577,664,810.80x = 4,792,882,178,882.50 × 869,715,676,879.75 - Step 4: Simplify right side
3,195,577,664,810.80x = 4,168,444,768,411,684,393,975,808 - Step 5: Solve for x
x = 4,168,444,768,411,684,393,975,808/3,195,577,664,810.80 - Step 6: Final answer
x = 1,304,441,702,141.66
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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.