Finding the Fourth Proportional to 324,127,538.25, 447,128,619.71 and 219,669,886.41
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Solution
The fourth proportional to 324,127,538.25, 447,128,619.71 and 219,669,886.41 is: 303,031,003.27
Step by Step Solution
- Step 1: Write the proportion equation
324,127,538.25 : 447,128,619.71 = 219,669,886.41 : x - Step 2: Convert to fraction form
324,127,538.25/447,128,619.71 = 219,669,886.41/x - Step 3: Cross multiply
324,127,538.25x = 447,128,619.71 × 219,669,886.41 - Step 4: Simplify right side
324,127,538.25x = 98,220,693,102,355,776 - Step 5: Solve for x
x = 98,220,693,102,355,776/324,127,538.25 - Step 6: Final answer
x = 303,031,003.27
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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.