Finding the Fourth Proportional to 4,720,842,480.53, 6,517,702,738.71 and 3,005,159,688.70
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Solution
The fourth proportional to 4,720,842,480.53, 6,517,702,738.71 and 3,005,159,688.70 is: 4,148,991,967.86
Step by Step Solution
- Step 1: Write the proportion equation
4,720,842,480.53 : 6,517,702,738.71 = 3,005,159,688.70 : x - Step 2: Convert to fraction form
4,720,842,480.53/6,517,702,738.71 = 3,005,159,688.70/x - Step 3: Cross multiply
4,720,842,480.53x = 6,517,702,738.71 × 3,005,159,688.70 - Step 4: Simplify right side
4,720,842,480.53x = 19,586,737,533,283,934,208 - Step 5: Solve for x
x = 19,586,737,533,283,934,208/4,720,842,480.53 - Step 6: Final answer
x = 4,148,991,967.86
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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.