Finding the Fourth Proportional to 2,923,266,892.84, 4,385,158,110.11 and 824,761,660.84
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Solution
The fourth proportional to 2,923,266,892.84, 4,385,158,110.11 and 824,761,660.84 is: 1,237,215,217.94
Step by Step Solution
- Step 1: Write the proportion equation
2,923,266,892.84 : 4,385,158,110.11 = 824,761,660.84 : x - Step 2: Convert to fraction form
2,923,266,892.84/4,385,158,110.11 = 824,761,660.84/x - Step 3: Cross multiply
2,923,266,892.84x = 4,385,158,110.11 × 824,761,660.84 - Step 4: Simplify right side
2,923,266,892.84x = 3,616,710,285,931,418,112 - Step 5: Solve for x
x = 3,616,710,285,931,418,112/2,923,266,892.84 - Step 6: Final answer
x = 1,237,215,217.94
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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.