Finding the Fourth Proportional to 394,549,093.65, 544,486,633.16 and 255,561,771.79
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Solution
The fourth proportional to 394,549,093.65, 544,486,633.16 and 255,561,771.79 is: 352,680,999.46
Step by Step Solution
- Step 1: Write the proportion equation
394,549,093.65 : 544,486,633.16 = 255,561,771.79 : x - Step 2: Convert to fraction form
394,549,093.65/544,486,633.16 = 255,561,771.79/x - Step 3: Cross multiply
394,549,093.65x = 544,486,633.16 × 255,561,771.79 - Step 4: Simplify right side
394,549,093.65x = 139,149,968,686,341,360 - Step 5: Solve for x
x = 139,149,968,686,341,360/394,549,093.65 - Step 6: Final answer
x = 352,680,999.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.