Finding the Fourth Proportional to 275,720,354.10, 413,155,378.35 and 239,157,213.30
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Solution
The fourth proportional to 275,720,354.10, 413,155,378.35 and 239,157,213.30 is: 358,367,046.45
Step by Step Solution
- Step 1: Write the proportion equation
275,720,354.10 : 413,155,378.35 = 239,157,213.30 : x - Step 2: Convert to fraction form
275,720,354.10/413,155,378.35 = 239,157,213.30/x - Step 3: Cross multiply
275,720,354.10x = 413,155,378.35 × 239,157,213.30 - Step 4: Simplify right side
275,720,354.10x = 98,809,088,946,093,168 - Step 5: Solve for x
x = 98,809,088,946,093,168/275,720,354.10 - Step 6: Final answer
x = 358,367,046.45
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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.