Finding the Fourth Proportional to 5,957,168,129.40, 8,221,472,692.74 and 4,449,176,440.68
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Solution
The fourth proportional to 5,957,168,129.40, 8,221,472,692.74 and 4,449,176,440.68 is: 6,140,297,171.02
Step by Step Solution
- Step 1: Write the proportion equation
5,957,168,129.40 : 8,221,472,692.74 = 4,449,176,440.68 : x - Step 2: Convert to fraction form
5,957,168,129.40/8,221,472,692.74 = 4,449,176,440.68/x - Step 3: Cross multiply
5,957,168,129.40x = 8,221,472,692.74 × 4,449,176,440.68 - Step 4: Simplify right side
5,957,168,129.40x = 36,578,782,612,232,769,536 - Step 5: Solve for x
x = 36,578,782,612,232,769,536/5,957,168,129.40 - Step 6: Final answer
x = 6,140,297,171.02
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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.