Finding the Fourth Proportional to 3,540,752,601.57, 4,886,667,058.68 and 2,015,211,654.68
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Solution
The fourth proportional to 3,540,752,601.57, 4,886,667,058.68 and 2,015,211,654.68 is: 2,781,235,945.38
Step by Step Solution
- Step 1: Write the proportion equation
3,540,752,601.57 : 4,886,667,058.68 = 2,015,211,654.68 : x - Step 2: Convert to fraction form
3,540,752,601.57/4,886,667,058.68 = 2,015,211,654.68/x - Step 3: Cross multiply
3,540,752,601.57x = 4,886,667,058.68 × 2,015,211,654.68 - Step 4: Simplify right side
3,540,752,601.57x = 9,847,668,409,168,338,944 - Step 5: Solve for x
x = 9,847,668,409,168,338,944/3,540,752,601.57 - Step 6: Final answer
x = 2,781,235,945.38
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1.5x scale
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.