Finding the Fourth Proportional to 2,154,085,263.75, 3,232,109,657.70 and 1,105,559,786.87
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Solution
The fourth proportional to 2,154,085,263.75, 3,232,109,657.70 and 1,105,559,786.87 is: 1,658,843,558.54
Step by Step Solution
- Step 1: Write the proportion equation
2,154,085,263.75 : 3,232,109,657.70 = 1,105,559,786.87 : x - Step 2: Convert to fraction form
2,154,085,263.75/3,232,109,657.70 = 1,105,559,786.87/x - Step 3: Cross multiply
2,154,085,263.75x = 3,232,109,657.70 × 1,105,559,786.87 - Step 4: Simplify right side
2,154,085,263.75x = 3,573,290,464,307,279,872 - Step 5: Solve for x
x = 3,573,290,464,307,279,872/2,154,085,263.75 - Step 6: Final answer
x = 1,658,843,558.54
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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.