Finding the Fourth Proportional to 449,363,777.40, 620,068,305.84 and 248,393,503.68
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Solution
The fourth proportional to 449,363,777.40, 620,068,305.84 and 248,393,503.68 is: 342,753,347.63
Step by Step Solution
- Step 1: Write the proportion equation
449,363,777.40 : 620,068,305.84 = 248,393,503.68 : x - Step 2: Convert to fraction form
449,363,777.40/620,068,305.84 = 248,393,503.68/x - Step 3: Cross multiply
449,363,777.40x = 620,068,305.84 × 248,393,503.68 - Step 4: Simplify right side
449,363,777.40x = 154,020,939,008,519,424 - Step 5: Solve for x
x = 154,020,939,008,519,424/449,363,777.40 - Step 6: Final answer
x = 342,753,347.63
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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.