Finding the Fourth Proportional to 300,306,891.70, 450,460,337.55 and 235,809,637.30
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Solution
The fourth proportional to 300,306,891.70, 450,460,337.55 and 235,809,637.30 is: 353,714,455.95
Step by Step Solution
- Step 1: Write the proportion equation
300,306,891.70 : 450,460,337.55 = 235,809,637.30 : x - Step 2: Convert to fraction form
300,306,891.70/450,460,337.55 = 235,809,637.30/x - Step 3: Cross multiply
300,306,891.70x = 450,460,337.55 × 235,809,637.30 - Step 4: Simplify right side
300,306,891.70x = 106,222,888,815,701,072 - Step 5: Solve for x
x = 106,222,888,815,701,072/300,306,891.70 - Step 6: Final answer
x = 353,714,455.95
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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.