Finding the Fourth Proportional to 324,489,036.63, 486,733,555.35 and 78,844,409.31
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Solution
The fourth proportional to 324,489,036.63, 486,733,555.35 and 78,844,409.31 is: 118,266,614.06
Step by Step Solution
- Step 1: Write the proportion equation
324,489,036.63 : 486,733,555.35 = 78,844,409.31 : x - Step 2: Convert to fraction form
324,489,036.63/486,733,555.35 = 78,844,409.31/x - Step 3: Cross multiply
324,489,036.63x = 486,733,555.35 × 78,844,409.31 - Step 4: Simplify right side
324,489,036.63x = 38,376,219,662,926,944 - Step 5: Solve for x
x = 38,376,219,662,926,944/324,489,036.63 - Step 6: Final answer
x = 118,266,614.06
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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.