Finding the Fourth Proportional to 1,353,816,028.67, 1,867,578,538.50 and 884,192,245.79
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Solution
The fourth proportional to 1,353,816,028.67, 1,867,578,538.50 and 884,192,245.79 is: 1,219,736,232.38
Step by Step Solution
- Step 1: Write the proportion equation
1,353,816,028.67 : 1,867,578,538.50 = 884,192,245.79 : x - Step 2: Convert to fraction form
1,353,816,028.67/1,867,578,538.50 = 884,192,245.79/x - Step 3: Cross multiply
1,353,816,028.67x = 1,867,578,538.50 × 884,192,245.79 - Step 4: Simplify right side
1,353,816,028.67x = 1,651,298,462,136,183,040 - Step 5: Solve for x
x = 1,651,298,462,136,183,040/1,353,816,028.67 - Step 6: Final answer
x = 1,219,736,232.38
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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.