Finding the Fourth Proportional to 405,573,777.68, 559,691,961.98 and 219,934,744.16
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Solution
The fourth proportional to 405,573,777.68, 559,691,961.98 and 219,934,744.16 is: 303,510,027.62
Step by Step Solution
- Step 1: Write the proportion equation
405,573,777.68 : 559,691,961.98 = 219,934,744.16 : x - Step 2: Convert to fraction form
405,573,777.68/559,691,961.98 = 219,934,744.16/x - Step 3: Cross multiply
405,573,777.68x = 559,691,961.98 × 219,934,744.16 - Step 4: Simplify right side
405,573,777.68x = 123,095,708,462,581,616 - Step 5: Solve for x
x = 123,095,708,462,581,616/405,573,777.68 - Step 6: Final answer
x = 303,510,027.62
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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.