Finding the Fourth Proportional to 314,928,690.70, 472,393,036.05 and 263,910,354.70
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Solution
The fourth proportional to 314,928,690.70, 472,393,036.05 and 263,910,354.70 is: 395,865,532.05
Step by Step Solution
- Step 1: Write the proportion equation
314,928,690.70 : 472,393,036.05 = 263,910,354.70 : x - Step 2: Convert to fraction form
314,928,690.70/472,393,036.05 = 263,910,354.70/x - Step 3: Cross multiply
314,928,690.70x = 472,393,036.05 × 263,910,354.70 - Step 4: Simplify right side
314,928,690.70x = 124,669,413,701,765,392 - Step 5: Solve for x
x = 124,669,413,701,765,392/314,928,690.70 - Step 6: Final answer
x = 395,865,532.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.