Finding the Fourth Proportional to 7,095,467,442.48, 9,791,808,515.08 and 3,923,864,755.36
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Solution
The fourth proportional to 7,095,467,442.48, 9,791,808,515.08 and 3,923,864,755.36 is: 5,414,968,447.82
Step by Step Solution
- Step 1: Write the proportion equation
7,095,467,442.48 : 9,791,808,515.08 = 3,923,864,755.36 : x - Step 2: Convert to fraction form
7,095,467,442.48/9,791,808,515.08 = 3,923,864,755.36/x - Step 3: Cross multiply
7,095,467,442.48x = 9,791,808,515.08 × 3,923,864,755.36 - Step 4: Simplify right side
7,095,467,442.48x = 38,421,732,323,556,352,000 - Step 5: Solve for x
x = 38,421,732,323,556,352,000/7,095,467,442.48 - Step 6: Final answer
x = 5,414,968,447.82
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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.