Finding the Fourth Proportional to 356,079,946.84, 490,248,271.74 and 277,662,874.84
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Solution
The fourth proportional to 356,079,946.84, 490,248,271.74 and 277,662,874.84 is: 382,284,219.39
Step by Step Solution
- Step 1: Write the proportion equation
356,079,946.84 : 490,248,271.74 = 277,662,874.84 : x - Step 2: Convert to fraction form
356,079,946.84/490,248,271.74 = 277,662,874.84/x - Step 3: Cross multiply
356,079,946.84x = 490,248,271.74 × 277,662,874.84 - Step 4: Simplify right side
356,079,946.84x = 136,123,744,516,669,920 - Step 5: Solve for x
x = 136,123,744,516,669,920/356,079,946.84 - Step 6: Final answer
x = 382,284,219.39
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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.