Finding the Fourth Proportional to 306,465,310.10, 459,697,965.15 and 203,896,759.70
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Solution
The fourth proportional to 306,465,310.10, 459,697,965.15 and 203,896,759.70 is: 305,845,139.55
Step by Step Solution
- Step 1: Write the proportion equation
306,465,310.10 : 459,697,965.15 = 203,896,759.70 : x - Step 2: Convert to fraction form
306,465,310.10/459,697,965.15 = 203,896,759.70/x - Step 3: Cross multiply
306,465,310.10x = 459,697,965.15 × 203,896,759.70 - Step 4: Simplify right side
306,465,310.10x = 93,730,925,534,768,512 - Step 5: Solve for x
x = 93,730,925,534,768,512/306,465,310.10 - Step 6: Final answer
x = 305,845,139.55
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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.