Finding the Fourth Proportional to 3,492,570,562.79, 4,819,722,858.05 and 1,906,662,520.97
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Solution
The fourth proportional to 3,492,570,562.79, 4,819,722,858.05 and 1,906,662,520.97 is: 2,631,180,893.75
Step by Step Solution
- Step 1: Write the proportion equation
3,492,570,562.79 : 4,819,722,858.05 = 1,906,662,520.97 : x - Step 2: Convert to fraction form
3,492,570,562.79/4,819,722,858.05 = 1,906,662,520.97/x - Step 3: Cross multiply
3,492,570,562.79x = 4,819,722,858.05 × 1,906,662,520.97 - Step 4: Simplify right side
3,492,570,562.79x = 9,189,584,934,896,813,056 - Step 5: Solve for x
x = 9,189,584,934,896,813,056/3,492,570,562.79 - Step 6: Final answer
x = 2,631,180,893.75
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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.