Finding the Fourth Proportional to 286,684,825.41, 395,613,663.84 and 169,247,985.48
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Solution
The fourth proportional to 286,684,825.41, 395,613,663.84 and 169,247,985.48 is: 233,555,492.65
Step by Step Solution
- Step 1: Write the proportion equation
286,684,825.41 : 395,613,663.84 = 169,247,985.48 : x - Step 2: Convert to fraction form
286,684,825.41/395,613,663.84 = 169,247,985.48/x - Step 3: Cross multiply
286,684,825.41x = 395,613,663.84 × 169,247,985.48 - Step 4: Simplify right side
286,684,825.41x = 66,956,815,633,281,912 - Step 5: Solve for x
x = 66,956,815,633,281,912/286,684,825.41 - Step 6: Final answer
x = 233,555,492.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.