Finding the Fourth Proportional to 2,219,154,057.94, 3,329,208,135.88 and 645,288,716.02
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Solution
The fourth proportional to 2,219,154,057.94, 3,329,208,135.88 and 645,288,716.02 is: 968,071,791.00
Step by Step Solution
- Step 1: Write the proportion equation
2,219,154,057.94 : 3,329,208,135.88 = 645,288,716.02 : x - Step 2: Convert to fraction form
2,219,154,057.94/3,329,208,135.88 = 645,288,716.02/x - Step 3: Cross multiply
2,219,154,057.94x = 3,329,208,135.88 × 645,288,716.02 - Step 4: Simplify right side
2,219,154,057.94x = 2,148,300,443,365,342,976 - Step 5: Solve for x
x = 2,148,300,443,365,342,976/2,219,154,057.94 - Step 6: Final answer
x = 968,071,791.00
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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.