Finding the Fourth Proportional to 1,129,969,125.60, 1,696,036,107.60 and 585,101,695.20
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Solution
The fourth proportional to 1,129,969,125.60, 1,696,036,107.60 and 585,101,695.20 is: 878,213,022.99
Step by Step Solution
- Step 1: Write the proportion equation
1,129,969,125.60 : 1,696,036,107.60 = 585,101,695.20 : x - Step 2: Convert to fraction form
1,129,969,125.60/1,696,036,107.60 = 585,101,695.20/x - Step 3: Cross multiply
1,129,969,125.60x = 1,696,036,107.60 × 585,101,695.20 - Step 4: Simplify right side
1,129,969,125.60x = 992,353,601,677,169,664 - Step 5: Solve for x
x = 992,353,601,677,169,664/1,129,969,125.60 - Step 6: Final answer
x = 878,213,022.99
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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.