Finding the Fourth Proportional to 493,744,447.37, 740,615,194.75 and 125,278,687.37
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Solution
The fourth proportional to 493,744,447.37, 740,615,194.75 and 125,278,687.37 is: 187,917,656.47
Step by Step Solution
- Step 1: Write the proportion equation
493,744,447.37 : 740,615,194.75 = 125,278,687.37 : x - Step 2: Convert to fraction form
493,744,447.37/740,615,194.75 = 125,278,687.37/x - Step 3: Cross multiply
493,744,447.37x = 740,615,194.75 × 125,278,687.37 - Step 4: Simplify right side
493,744,447.37x = 92,783,299,444,019,520 - Step 5: Solve for x
x = 92,783,299,444,019,520/493,744,447.37 - Step 6: Final answer
x = 187,917,656.47
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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.