Finding the Fourth Proportional to 1,412,793,153.37, 2,119,383,664.14 and 479,865,544.33
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Solution
The fourth proportional to 1,412,793,153.37, 2,119,383,664.14 and 479,865,544.33 is: 719,864,187.63
Step by Step Solution
- Step 1: Write the proportion equation
1,412,793,153.37 : 2,119,383,664.14 = 479,865,544.33 : x - Step 2: Convert to fraction form
1,412,793,153.37/2,119,383,664.14 = 479,865,544.33/x - Step 3: Cross multiply
1,412,793,153.37x = 2,119,383,664.14 × 479,865,544.33 - Step 4: Simplify right side
1,412,793,153.37x = 1,017,019,195,636,651,008 - Step 5: Solve for x
x = 1,017,019,195,636,651,008/1,412,793,153.37 - Step 6: Final answer
x = 719,864,187.63
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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.