Finding the Fourth Proportional to 427,833,235.92, 590,896,119.24 and 288,363,591.12
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Solution
The fourth proportional to 427,833,235.92, 590,896,119.24 and 288,363,591.12 is: 398,269,495.25
Step by Step Solution
- Step 1: Write the proportion equation
427,833,235.92 : 590,896,119.24 = 288,363,591.12 : x - Step 2: Convert to fraction form
427,833,235.92/590,896,119.24 = 288,363,591.12/x - Step 3: Cross multiply
427,833,235.92x = 590,896,119.24 × 288,363,591.12 - Step 4: Simplify right side
427,833,235.92x = 170,392,926,922,918,144 - Step 5: Solve for x
x = 170,392,926,922,918,144/427,833,235.92 - Step 6: Final answer
x = 398,269,495.25
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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.