Finding the Fourth Proportional to 464,078,963.80, 696,108,333.39 and 218,299,366.99
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Solution
The fourth proportional to 464,078,963.80, 696,108,333.39 and 218,299,366.99 is: 327,444,293.73
Step by Step Solution
- Step 1: Write the proportion equation
464,078,963.80 : 696,108,333.39 = 218,299,366.99 : x - Step 2: Convert to fraction form
464,078,963.80/696,108,333.39 = 218,299,366.99/x - Step 3: Cross multiply
464,078,963.80x = 696,108,333.39 × 218,299,366.99 - Step 4: Simplify right side
464,078,963.80x = 151,960,008,535,500,896 - Step 5: Solve for x
x = 151,960,008,535,500,896/464,078,963.80 - Step 6: Final answer
x = 327,444,293.73
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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.