Finding the Fourth Proportional to 357,695,999.20, 536,543,998.80 and 343,587,224.80
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Solution
The fourth proportional to 357,695,999.20, 536,543,998.80 and 343,587,224.80 is: 515,380,837.20
Step by Step Solution
- Step 1: Write the proportion equation
357,695,999.20 : 536,543,998.80 = 343,587,224.80 : x - Step 2: Convert to fraction form
357,695,999.20/536,543,998.80 = 343,587,224.80/x - Step 3: Cross multiply
357,695,999.20x = 536,543,998.80 × 343,587,224.80 - Step 4: Simplify right side
357,695,999.20x = 184,349,663,530,786,528 - Step 5: Solve for x
x = 184,349,663,530,786,528/357,695,999.20 - Step 6: Final answer
x = 515,380,837.20
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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.