Finding the Fourth Proportional to 4,656,916,319,981.80, 6,979,130,444,947 and 3,624,366,159,163.80
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Solution
The fourth proportional to 4,656,916,319,981.80, 6,979,130,444,947 and 3,624,366,159,163.80 is: 5,431,689,656,204.64
Step by Step Solution
- Step 1: Write the proportion equation
4,656,916,319,981.80 : 6,979,130,444,947 = 3,624,366,159,163.80 : x - Step 2: Convert to fraction form
4,656,916,319,981.80/6,979,130,444,947 = 3,624,366,159,163.80/x - Step 3: Cross multiply
4,656,916,319,981.80x = 6,979,130,444,947 × 3,624,366,159,163.80 - Step 4: Simplify right side
4,656,916,319,981.80x = 25,294,924,205,055,699,205,488,640 - Step 5: Solve for x
x = 25,294,924,205,055,699,205,488,640/4,656,916,319,981.80 - Step 6: Final answer
x = 5,431,689,656,204.64
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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.