Finding the Fourth Proportional to 4,621,787,461.60, 6,378,066,696.80 and 2,641,680,810.88
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Solution
The fourth proportional to 4,621,787,461.60, 6,378,066,696.80 and 2,641,680,810.88 is: 3,645,519,518.90
Step by Step Solution
- Step 1: Write the proportion equation
4,621,787,461.60 : 6,378,066,696.80 = 2,641,680,810.88 : x - Step 2: Convert to fraction form
4,621,787,461.60/6,378,066,696.80 = 2,641,680,810.88/x - Step 3: Cross multiply
4,621,787,461.60x = 6,378,066,696.80 × 2,641,680,810.88 - Step 4: Simplify right side
4,621,787,461.60x = 16,848,816,403,449,348,096 - Step 5: Solve for x
x = 16,848,816,403,449,348,096/4,621,787,461.60 - Step 6: Final answer
x = 3,645,519,518.90
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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.