Finding the Fourth Proportional to 3,913,147,929.40, 5,869,721,894.10 and 2,673,402,364.60
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Solution
The fourth proportional to 3,913,147,929.40, 5,869,721,894.10 and 2,673,402,364.60 is: 4,010,103,546.90
Step by Step Solution
- Step 1: Write the proportion equation
3,913,147,929.40 : 5,869,721,894.10 = 2,673,402,364.60 : x - Step 2: Convert to fraction form
3,913,147,929.40/5,869,721,894.10 = 2,673,402,364.60/x - Step 3: Cross multiply
3,913,147,929.40x = 5,869,721,894.10 × 2,673,402,364.60 - Step 4: Simplify right side
3,913,147,929.40x = 15,692,128,391,231,330,304 - Step 5: Solve for x
x = 15,692,128,391,231,330,304/3,913,147,929.40 - Step 6: Final answer
x = 4,010,103,546.90
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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.