Finding the Fourth Proportional to 7,911,608,906.44, 11,858,386,153.02 and 3,186,907,584.76
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Solution
The fourth proportional to 7,911,608,906.44, 11,858,386,153.02 and 3,186,907,584.76 is: 4,776,725,091.06
Step by Step Solution
- Step 1: Write the proportion equation
7,911,608,906.44 : 11,858,386,153.02 = 3,186,907,584.76 : x - Step 2: Convert to fraction form
7,911,608,906.44/11,858,386,153.02 = 3,186,907,584.76/x - Step 3: Cross multiply
7,911,608,906.44x = 11,858,386,153.02 × 3,186,907,584.76 - Step 4: Simplify right side
7,911,608,906.44x = 37,791,580,774,072,401,920 - Step 5: Solve for x
x = 37,791,580,774,072,401,920/7,911,608,906.44 - Step 6: Final answer
x = 4,776,725,091.06
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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.