Finding the Fourth Proportional to 324,006,130.21, 447,129,645.29 and 175,327,252.83
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Solution
The fourth proportional to 324,006,130.21, 447,129,645.29 and 175,327,252.83 is: 241,952,250.46
Step by Step Solution
- Step 1: Write the proportion equation
324,006,130.21 : 447,129,645.29 = 175,327,252.83 : x - Step 2: Convert to fraction form
324,006,130.21/447,129,645.29 = 175,327,252.83/x - Step 3: Cross multiply
324,006,130.21x = 447,129,645.29 × 175,327,252.83 - Step 4: Simplify right side
324,006,130.21x = 78,394,012,366,703,808 - Step 5: Solve for x
x = 78,394,012,366,703,808/324,006,130.21 - Step 6: Final answer
x = 241,952,250.46
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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.