Finding the Fourth Proportional to 399,177,621.80, 598,766,432.70 and 184,186,773.80
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Solution
The fourth proportional to 399,177,621.80, 598,766,432.70 and 184,186,773.80 is: 276,280,160.70
Step by Step Solution
- Step 1: Write the proportion equation
399,177,621.80 : 598,766,432.70 = 184,186,773.80 : x - Step 2: Convert to fraction form
399,177,621.80/598,766,432.70 = 184,186,773.80/x - Step 3: Cross multiply
399,177,621.80x = 598,766,432.70 × 184,186,773.80 - Step 4: Simplify right side
399,177,621.80x = 110,284,857,498,747,840 - Step 5: Solve for x
x = 110,284,857,498,747,840/399,177,621.80 - Step 6: Final answer
x = 276,280,160.70
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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.