Finding the Fourth Proportional to 4,253,112,913.11, 5,869,389,774.81 and 2,347,869,876.14
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Solution
The fourth proportional to 4,253,112,913.11, 5,869,389,774.81 and 2,347,869,876.14 is: 3,240,112,295.42
Step by Step Solution
- Step 1: Write the proportion equation
4,253,112,913.11 : 5,869,389,774.81 = 2,347,869,876.14 : x - Step 2: Convert to fraction form
4,253,112,913.11/5,869,389,774.81 = 2,347,869,876.14/x - Step 3: Cross multiply
4,253,112,913.11x = 5,869,389,774.81 × 2,347,869,876.14 - Step 4: Simplify right side
4,253,112,913.11x = 13,780,563,443,571,191,808 - Step 5: Solve for x
x = 13,780,563,443,571,191,808/4,253,112,913.11 - Step 6: Final answer
x = 3,240,112,295.42
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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.