Finding the Fourth Proportional to 708,589,585.80, 1,062,884,378.70 and 248,361,679.80
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Solution
The fourth proportional to 708,589,585.80, 1,062,884,378.70 and 248,361,679.80 is: 372,542,519.70
Step by Step Solution
- Step 1: Write the proportion equation
708,589,585.80 : 1,062,884,378.70 = 248,361,679.80 : x - Step 2: Convert to fraction form
708,589,585.80/1,062,884,378.70 = 248,361,679.80/x - Step 3: Cross multiply
708,589,585.80x = 1,062,884,378.70 × 248,361,679.80 - Step 4: Simplify right side
708,589,585.80x = 263,979,749,727,111,360 - Step 5: Solve for x
x = 263,979,749,727,111,360/708,589,585.80 - Step 6: Final answer
x = 372,542,519.70
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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.