Finding the Fourth Proportional to 5,125,675,423.88, 7,073,706,730.38 and 2,867,480,238.98
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Solution
The fourth proportional to 5,125,675,423.88, 7,073,706,730.38 and 2,867,480,238.98 is: 3,957,276,375.95
Step by Step Solution
- Step 1: Write the proportion equation
5,125,675,423.88 : 7,073,706,730.38 = 2,867,480,238.98 : x - Step 2: Convert to fraction form
5,125,675,423.88/7,073,706,730.38 = 2,867,480,238.98/x - Step 3: Cross multiply
5,125,675,423.88x = 7,073,706,730.38 × 2,867,480,238.98 - Step 4: Simplify right side
5,125,675,423.88x = 20,283,714,265,704,476,672 - Step 5: Solve for x
x = 20,283,714,265,704,476,672/5,125,675,423.88 - Step 6: Final answer
x = 3,957,276,375.95
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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.