Finding the Fourth Proportional to 448,756,860.45, 674,156,811.50 and 324,642,317.75
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Solution
The fourth proportional to 448,756,860.45, 674,156,811.50 and 324,642,317.75 is: 487,702,471.20
Step by Step Solution
- Step 1: Write the proportion equation
448,756,860.45 : 674,156,811.50 = 324,642,317.75 : x - Step 2: Convert to fraction form
448,756,860.45/674,156,811.50 = 324,642,317.75/x - Step 3: Cross multiply
448,756,860.45x = 674,156,811.50 × 324,642,317.75 - Step 4: Simplify right side
448,756,860.45x = 218,859,829,811,061,312 - Step 5: Solve for x
x = 218,859,829,811,061,312/448,756,860.45 - Step 6: Final answer
x = 487,702,471.20
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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.