Finding the Fourth Proportional to 7,543,987,518.63, 10,410,233,696.33 and 4,156,707,252.69
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Solution
The fourth proportional to 7,543,987,518.63, 10,410,233,696.33 and 4,156,707,252.69 is: 5,735,997,547.83
Step by Step Solution
- Step 1: Write the proportion equation
7,543,987,518.63 : 10,410,233,696.33 = 4,156,707,252.69 : x - Step 2: Convert to fraction form
7,543,987,518.63/10,410,233,696.33 = 4,156,707,252.69/x - Step 3: Cross multiply
7,543,987,518.63x = 10,410,233,696.33 × 4,156,707,252.69 - Step 4: Simplify right side
7,543,987,518.63x = 43,272,293,907,711,959,040 - Step 5: Solve for x
x = 43,272,293,907,711,959,040/7,543,987,518.63 - Step 6: Final answer
x = 5,735,997,547.83
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1.5x scale
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.