Finding the Fourth Proportional to 7,896,789,981.24, 11,845,184,252.57 and 3,475,209,406.94
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Solution
The fourth proportional to 7,896,789,981.24, 11,845,184,252.57 and 3,475,209,406.94 is: 5,212,813,793.87
Step by Step Solution
- Step 1: Write the proportion equation
7,896,789,981.24 : 11,845,184,252.57 = 3,475,209,406.94 : x - Step 2: Convert to fraction form
7,896,789,981.24/11,845,184,252.57 = 3,475,209,406.94/x - Step 3: Cross multiply
7,896,789,981.24x = 11,845,184,252.57 × 3,475,209,406.94 - Step 4: Simplify right side
7,896,789,981.24x = 41,164,495,741,468,819,456 - Step 5: Solve for x
x = 41,164,495,741,468,819,456/7,896,789,981.24 - Step 6: Final answer
x = 5,212,813,793.87
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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.