Finding the Fourth Proportional to 1,245,295,819.14, 1,718,528,647.29 and 743,548,448.40
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Solution
The fourth proportional to 1,245,295,819.14, 1,718,528,647.29 and 743,548,448.40 is: 1,026,109,049.42
Step by Step Solution
- Step 1: Write the proportion equation
1,245,295,819.14 : 1,718,528,647.29 = 743,548,448.40 : x - Step 2: Convert to fraction form
1,245,295,819.14/1,718,528,647.29 = 743,548,448.40/x - Step 3: Cross multiply
1,245,295,819.14x = 1,718,528,647.29 × 743,548,448.40 - Step 4: Simplify right side
1,245,295,819.14x = 1,277,809,309,223,430,400 - Step 5: Solve for x
x = 1,277,809,309,223,430,400/1,245,295,819.14 - Step 6: Final answer
x = 1,026,109,049.42
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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.