Finding the Fourth Proportional to 1,420,925,819.04, 2,131,364,554.84 and 424,949,125.68
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Solution
The fourth proportional to 1,420,925,819.04, 2,131,364,554.84 and 424,949,125.68 is: 637,416,459.01
Step by Step Solution
- Step 1: Write the proportion equation
1,420,925,819.04 : 2,131,364,554.84 = 424,949,125.68 : x - Step 2: Convert to fraction form
1,420,925,819.04/2,131,364,554.84 = 424,949,125.68/x - Step 3: Cross multiply
1,420,925,819.04x = 2,131,364,554.84 × 424,949,125.68 - Step 4: Simplify right side
1,420,925,819.04x = 905,721,504,084,600,448 - Step 5: Solve for x
x = 905,721,504,084,600,448/1,420,925,819.04 - Step 6: Final answer
x = 637,416,459.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.