Finding the Fourth Proportional to 409,451,729.10, 614,177,593.65 and 118,328,349.30
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Solution
The fourth proportional to 409,451,729.10, 614,177,593.65 and 118,328,349.30 is: 177,492,523.95
Step by Step Solution
- Step 1: Write the proportion equation
409,451,729.10 : 614,177,593.65 = 118,328,349.30 : x - Step 2: Convert to fraction form
409,451,729.10/614,177,593.65 = 118,328,349.30/x - Step 3: Cross multiply
409,451,729.10x = 614,177,593.65 × 118,328,349.30 - Step 4: Simplify right side
409,451,729.10x = 72,674,620,833,650,656 - Step 5: Solve for x
x = 72,674,620,833,650,656/409,451,729.10 - Step 6: Final answer
x = 177,492,523.95
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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.