Finding the Fourth Proportional to 364,881,194.44, 503,535,599.92 and 197,617,356.80
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Solution
The fourth proportional to 364,881,194.44, 503,535,599.92 and 197,617,356.80 is: 272,711,709.53
Step by Step Solution
- Step 1: Write the proportion equation
364,881,194.44 : 503,535,599.92 = 197,617,356.80 : x - Step 2: Convert to fraction form
364,881,194.44/503,535,599.92 = 197,617,356.80/x - Step 3: Cross multiply
364,881,194.44x = 503,535,599.92 × 197,617,356.80 - Step 4: Simplify right side
364,881,194.44x = 99,507,374,310,892,704 - Step 5: Solve for x
x = 99,507,374,310,892,704/364,881,194.44 - Step 6: Final answer
x = 272,711,709.53
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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.