Finding the Fourth Proportional to 14,286,973,796.82, 19,717,128,225.72 and 8,571,473,316.09
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Solution
The fourth proportional to 14,286,973,796.82, 19,717,128,225.72 and 8,571,473,316.09 is: 11,829,295,752.91
Step by Step Solution
- Step 1: Write the proportion equation
14,286,973,796.82 : 19,717,128,225.72 = 8,571,473,316.09 : x - Step 2: Convert to fraction form
14,286,973,796.82/19,717,128,225.72 = 8,571,473,316.09/x - Step 3: Cross multiply
14,286,973,796.82x = 19,717,128,225.72 × 8,571,473,316.09 - Step 4: Simplify right side
14,286,973,796.82x = 169,004,838,456,683,954,176 - Step 5: Solve for x
x = 169,004,838,456,683,954,176/14,286,973,796.82 - Step 6: Final answer
x = 11,829,295,752.91
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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.