Finding the Fourth Proportional to 1,745,867,986.49, 2,412,449,375.81 and 1,243,204,089.92
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Solution
The fourth proportional to 1,745,867,986.49, 2,412,449,375.81 and 1,243,204,089.92 is: 1,717,865,814.56
Step by Step Solution
- Step 1: Write the proportion equation
1,745,867,986.49 : 2,412,449,375.81 = 1,243,204,089.92 : x - Step 2: Convert to fraction form
1,745,867,986.49/2,412,449,375.81 = 1,243,204,089.92/x - Step 3: Cross multiply
1,745,867,986.49x = 2,412,449,375.81 × 1,243,204,089.92 - Step 4: Simplify right side
1,745,867,986.49x = 2,999,166,930,713,664,512 - Step 5: Solve for x
x = 2,999,166,930,713,664,512/1,745,867,986.49 - Step 6: Final answer
x = 1,717,865,814.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.