Finding the Fourth Proportional to 2,381,907,390.81, 3,573,031,735.53 and 635,100,977.13
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Solution
The fourth proportional to 2,381,907,390.81, 3,573,031,735.53 and 635,100,977.13 is: 952,696,966.85
Step by Step Solution
- Step 1: Write the proportion equation
2,381,907,390.81 : 3,573,031,735.53 = 635,100,977.13 : x - Step 2: Convert to fraction form
2,381,907,390.81/3,573,031,735.53 = 635,100,977.13/x - Step 3: Cross multiply
2,381,907,390.81x = 3,573,031,735.53 × 635,100,977.13 - Step 4: Simplify right side
2,381,907,390.81x = 2,269,235,946,551,602,944 - Step 5: Solve for x
x = 2,269,235,946,551,602,944/2,381,907,390.81 - Step 6: Final answer
x = 952,696,966.85
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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.