Finding the Fourth Proportional to 399,177,631.80, 598,766,447.70 and 184,186,783.80
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Solution
The fourth proportional to 399,177,631.80, 598,766,447.70 and 184,186,783.80 is: 276,280,175.70
Step by Step Solution
- Step 1: Write the proportion equation
399,177,631.80 : 598,766,447.70 = 184,186,783.80 : x - Step 2: Convert to fraction form
399,177,631.80/598,766,447.70 = 184,186,783.80/x - Step 3: Cross multiply
399,177,631.80x = 598,766,447.70 × 184,186,783.80 - Step 4: Simplify right side
399,177,631.80x = 110,284,866,249,213,920 - Step 5: Solve for x
x = 110,284,866,249,213,920/399,177,631.80 - Step 6: Final answer
x = 276,280,175.70
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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.