Finding the Fourth Proportional to 611,755,675.20, 917,505,986.40 and 223,761,268.80
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Solution
The fourth proportional to 611,755,675.20, 917,505,986.40 and 223,761,268.80 is: 335,595,257.99
Step by Step Solution
- Step 1: Write the proportion equation
611,755,675.20 : 917,505,986.40 = 223,761,268.80 : x - Step 2: Convert to fraction form
611,755,675.20/917,505,986.40 = 223,761,268.80/x - Step 3: Cross multiply
611,755,675.20x = 917,505,986.40 × 223,761,268.80 - Step 4: Simplify right side
611,755,675.20x = 205,302,303,648,459,552 - Step 5: Solve for x
x = 205,302,303,648,459,552/611,755,675.20 - Step 6: Final answer
x = 335,595,257.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.