Finding the Fourth Proportional to 324,489,027.13, 486,733,541.10 and 78,844,399.81
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Solution
The fourth proportional to 324,489,027.13, 486,733,541.10 and 78,844,399.81 is: 118,266,599.81
Step by Step Solution
- Step 1: Write the proportion equation
324,489,027.13 : 486,733,541.10 = 78,844,399.81 : x - Step 2: Convert to fraction form
324,489,027.13/486,733,541.10 = 78,844,399.81/x - Step 3: Cross multiply
324,489,027.13x = 486,733,541.10 × 78,844,399.81 - Step 4: Simplify right side
324,489,027.13x = 38,376,213,915,425,472 - Step 5: Solve for x
x = 38,376,213,915,425,472/324,489,027.13 - Step 6: Final answer
x = 118,266,599.81
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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.