Finding the Fourth Proportional to 269,684,924.58, 372,416,685.66 and 198,496,407.60
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Solution
The fourth proportional to 269,684,924.58, 372,416,685.66 and 198,496,407.60 is: 274,110,146.68
Step by Step Solution
- Step 1: Write the proportion equation
269,684,924.58 : 372,416,685.66 = 198,496,407.60 : x - Step 2: Convert to fraction form
269,684,924.58/372,416,685.66 = 198,496,407.60/x - Step 3: Cross multiply
269,684,924.58x = 372,416,685.66 × 198,496,407.60 - Step 4: Simplify right side
269,684,924.58x = 73,923,374,233,808,432 - Step 5: Solve for x
x = 73,923,374,233,808,432/269,684,924.58 - Step 6: Final answer
x = 274,110,146.68
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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.