Finding the Fourth Proportional to 294,481,971.79, 406,403,303.21 and 162,322,670.68
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Solution
The fourth proportional to 294,481,971.79, 406,403,303.21 and 162,322,670.68 is: 224,015,307.79
Step by Step Solution
- Step 1: Write the proportion equation
294,481,971.79 : 406,403,303.21 = 162,322,670.68 : x - Step 2: Convert to fraction form
294,481,971.79/406,403,303.21 = 162,322,670.68/x - Step 3: Cross multiply
294,481,971.79x = 406,403,303.21 × 162,322,670.68 - Step 4: Simplify right side
294,481,971.79x = 65,968,469,550,221,016 - Step 5: Solve for x
x = 65,968,469,550,221,016/294,481,971.79 - Step 6: Final answer
x = 224,015,307.79
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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.