Finding the Fourth Proportional to 294,481,970.79, 406,403,301.83 and 162,322,669.68
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Solution
The fourth proportional to 294,481,970.79, 406,403,301.83 and 162,322,669.68 is: 224,015,306.41
Step by Step Solution
- Step 1: Write the proportion equation
294,481,970.79 : 406,403,301.83 = 162,322,669.68 : x - Step 2: Convert to fraction form
294,481,970.79/406,403,301.83 = 162,322,669.68/x - Step 3: Cross multiply
294,481,970.79x = 406,403,301.83 × 162,322,669.68 - Step 4: Simplify right side
294,481,970.79x = 65,968,468,919,000,816 - Step 5: Solve for x
x = 65,968,468,919,000,816/294,481,970.79 - Step 6: Final answer
x = 224,015,306.41
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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.