Finding the Fourth Proportional to 524,933,448.24, 724,430,167.68 and 301,915,191.84
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Solution
The fourth proportional to 524,933,448.24, 724,430,167.68 and 301,915,191.84 is: 416,655,623.27
Step by Step Solution
- Step 1: Write the proportion equation
524,933,448.24 : 724,430,167.68 = 301,915,191.84 : x - Step 2: Convert to fraction form
524,933,448.24/724,430,167.68 = 301,915,191.84/x - Step 3: Cross multiply
524,933,448.24x = 724,430,167.68 × 301,915,191.84 - Step 4: Simplify right side
524,933,448.24x = 218,716,473,049,790,528 - Step 5: Solve for x
x = 218,716,473,049,790,528/524,933,448.24 - Step 6: Final answer
x = 416,655,623.27
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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.