Finding the Fourth Proportional to 428,110,160, 590,841,030.84 and 239,989,262.98
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Solution
The fourth proportional to 428,110,160, 590,841,030.84 and 239,989,262.98 is: 331,212,656.88
Step by Step Solution
- Step 1: Write the proportion equation
428,110,160 : 590,841,030.84 = 239,989,262.98 : x - Step 2: Convert to fraction form
428,110,160/590,841,030.84 = 239,989,262.98/x - Step 3: Cross multiply
428,110,160x = 590,841,030.84 × 239,989,262.98 - Step 4: Simplify right side
428,110,160x = 141,795,503,529,635,056 - Step 5: Solve for x
x = 141,795,503,529,635,056/428,110,160 - Step 6: Final answer
x = 331,212,656.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.