Finding the Fourth Proportional to 7,188,459,651.16, 10,783,848,133.56 and 2,214,179,195.74
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Solution
The fourth proportional to 7,188,459,651.16, 10,783,848,133.56 and 2,214,179,195.74 is: 3,321,625,681.45
Step by Step Solution
- Step 1: Write the proportion equation
7,188,459,651.16 : 10,783,848,133.56 = 2,214,179,195.74 : x - Step 2: Convert to fraction form
7,188,459,651.16/10,783,848,133.56 = 2,214,179,195.74/x - Step 3: Cross multiply
7,188,459,651.16x = 10,783,848,133.56 × 2,214,179,195.74 - Step 4: Simplify right side
7,188,459,651.16x = 23,877,372,187,348,176,896 - Step 5: Solve for x
x = 23,877,372,187,348,176,896/7,188,459,651.16 - Step 6: Final answer
x = 3,321,625,681.45
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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.