Finding the Fourth Proportional to 1,448,928,121.20, 2,173,392,181.80 and 1,346,891,449.20
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Solution
The fourth proportional to 1,448,928,121.20, 2,173,392,181.80 and 1,346,891,449.20 is: 2,020,337,173.80
Step by Step Solution
- Step 1: Write the proportion equation
1,448,928,121.20 : 2,173,392,181.80 = 1,346,891,449.20 : x - Step 2: Convert to fraction form
1,448,928,121.20/2,173,392,181.80 = 1,346,891,449.20/x - Step 3: Cross multiply
1,448,928,121.20x = 2,173,392,181.80 × 1,346,891,449.20 - Step 4: Simplify right side
1,448,928,121.20x = 2,927,323,345,424,552,448 - Step 5: Solve for x
x = 2,927,323,345,424,552,448/1,448,928,121.20 - Step 6: Final answer
x = 2,020,337,173.80
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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.