Finding the Fourth Proportional to 294,481,973.29, 406,403,305.28 and 162,322,672.18
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Solution
The fourth proportional to 294,481,973.29, 406,403,305.28 and 162,322,672.18 is: 224,015,309.86
Step by Step Solution
- Step 1: Write the proportion equation
294,481,973.29 : 406,403,305.28 = 162,322,672.18 : x - Step 2: Convert to fraction form
294,481,973.29/406,403,305.28 = 162,322,672.18/x - Step 3: Cross multiply
294,481,973.29x = 406,403,305.28 × 162,322,672.18 - Step 4: Simplify right side
294,481,973.29x = 65,968,470,495,833,904 - Step 5: Solve for x
x = 65,968,470,495,833,904/294,481,973.29 - Step 6: Final answer
x = 224,015,309.86
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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.