Finding the Fourth Proportional to 427,707,869.84, 590,135,696.96 and 242,068,880.08
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Solution
The fourth proportional to 427,707,869.84, 590,135,696.96 and 242,068,880.08 is: 333,997,799.27
Step by Step Solution
- Step 1: Write the proportion equation
427,707,869.84 : 590,135,696.96 = 242,068,880.08 : x - Step 2: Convert to fraction form
427,707,869.84/590,135,696.96 = 242,068,880.08/x - Step 3: Cross multiply
427,707,869.84x = 590,135,696.96 × 242,068,880.08 - Step 4: Simplify right side
427,707,869.84x = 142,853,487,258,337,472 - Step 5: Solve for x
x = 142,853,487,258,337,472/427,707,869.84 - Step 6: Final answer
x = 333,997,799.27
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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.