Finding the Fourth Proportional to 7,769,091,546.30, 11,653,637,319.45 and 6,871,168,832.70
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Solution
The fourth proportional to 7,769,091,546.30, 11,653,637,319.45 and 6,871,168,832.70 is: 10,306,753,249.05
Step by Step Solution
- Step 1: Write the proportion equation
7,769,091,546.30 : 11,653,637,319.45 = 6,871,168,832.70 : x - Step 2: Convert to fraction form
7,769,091,546.30/11,653,637,319.45 = 6,871,168,832.70/x - Step 3: Cross multiply
7,769,091,546.30x = 11,653,637,319.45 × 6,871,168,832.70 - Step 4: Simplify right side
7,769,091,546.30x = 80,074,109,536,994,410,496 - Step 5: Solve for x
x = 80,074,109,536,994,410,496/7,769,091,546.30 - Step 6: Final answer
x = 10,306,753,249.05
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1.5x scale
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.