Finding the Fourth Proportional to 374,635,110.96, 516,934,778.04 and 235,306,626.48
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Solution
The fourth proportional to 374,635,110.96, 516,934,778.04 and 235,306,626.48 is: 324,684,406.70
Step by Step Solution
- Step 1: Write the proportion equation
374,635,110.96 : 516,934,778.04 = 235,306,626.48 : x - Step 2: Convert to fraction form
374,635,110.96/516,934,778.04 = 235,306,626.48/x - Step 3: Cross multiply
374,635,110.96x = 516,934,778.04 × 235,306,626.48 - Step 4: Simplify right side
374,635,110.96x = 121,638,178,730,779,984 - Step 5: Solve for x
x = 121,638,178,730,779,984/374,635,110.96 - Step 6: Final answer
x = 324,684,406.70
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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.