Finding the Fourth Proportional to 8,384,899,796.08, 12,570,722,624.84 and 4,185,697,476.88
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Solution
The fourth proportional to 8,384,899,796.08, 12,570,722,624.84 and 4,185,697,476.88 is: 6,275,238,017.51
Step by Step Solution
- Step 1: Write the proportion equation
8,384,899,796.08 : 12,570,722,624.84 = 4,185,697,476.88 : x - Step 2: Convert to fraction form
8,384,899,796.08/12,570,722,624.84 = 4,185,697,476.88/x - Step 3: Cross multiply
8,384,899,796.08x = 12,570,722,624.84 × 4,185,697,476.88 - Step 4: Simplify right side
8,384,899,796.08x = 52,617,241,973,351,120,896 - Step 5: Solve for x
x = 52,617,241,973,351,120,896/8,384,899,796.08 - Step 6: Final answer
x = 6,275,238,017.51
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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.