Finding the Fourth Proportional to 419,448,372.84, 579,086,772.75 and 372,909,862.26
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Solution
The fourth proportional to 419,448,372.84, 579,086,772.75 and 372,909,862.26 is: 514,836,110.10
Step by Step Solution
- Step 1: Write the proportion equation
419,448,372.84 : 579,086,772.75 = 372,909,862.26 : x - Step 2: Convert to fraction form
419,448,372.84/579,086,772.75 = 372,909,862.26/x - Step 3: Cross multiply
419,448,372.84x = 579,086,772.75 × 372,909,862.26 - Step 4: Simplify right side
419,448,372.84x = 215,947,168,662,790,400 - Step 5: Solve for x
x = 215,947,168,662,790,400/419,448,372.84 - Step 6: Final answer
x = 514,836,110.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.