Finding the Fourth Proportional to 1,673,210,116.80, 2,509,815,175.20 and 1,489,544,107.20
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Solution
The fourth proportional to 1,673,210,116.80, 2,509,815,175.20 and 1,489,544,107.20 is: 2,234,316,160.80
Step by Step Solution
- Step 1: Write the proportion equation
1,673,210,116.80 : 2,509,815,175.20 = 1,489,544,107.20 : x - Step 2: Convert to fraction form
1,673,210,116.80/2,509,815,175.20 = 1,489,544,107.20/x - Step 3: Cross multiply
1,673,210,116.80x = 2,509,815,175.20 × 1,489,544,107.20 - Step 4: Simplify right side
1,673,210,116.80x = 3,738,480,404,380,295,168 - Step 5: Solve for x
x = 3,738,480,404,380,295,168/1,673,210,116.80 - Step 6: Final answer
x = 2,234,316,160.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.