Finding the Fourth Proportional to 7,458,203,901.60, 11,188,649,545.20 and 3,096,577,072.80
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Solution
The fourth proportional to 7,458,203,901.60, 11,188,649,545.20 and 3,096,577,072.80 is: 4,645,423,497.99
Step by Step Solution
- Step 1: Write the proportion equation
7,458,203,901.60 : 11,188,649,545.20 = 3,096,577,072.80 : x - Step 2: Convert to fraction form
7,458,203,901.60/11,188,649,545.20 = 3,096,577,072.80/x - Step 3: Cross multiply
7,458,203,901.60x = 11,188,649,545.20 × 3,096,577,072.80 - Step 4: Simplify right side
7,458,203,901.60x = 34,646,515,657,260,470,272 - Step 5: Solve for x
x = 34,646,515,657,260,470,272/7,458,203,901.60 - Step 6: Final answer
x = 4,645,423,497.99
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1.5x scale
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.