Finding the Fourth Proportional to 1,617,035,505.20, 2,425,553,257.80 and 1,603,430,615.60
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Solution
The fourth proportional to 1,617,035,505.20, 2,425,553,257.80 and 1,603,430,615.60 is: 2,405,145,923.40
Step by Step Solution
- Step 1: Write the proportion equation
1,617,035,505.20 : 2,425,553,257.80 = 1,603,430,615.60 : x - Step 2: Convert to fraction form
1,617,035,505.20/2,425,553,257.80 = 1,603,430,615.60/x - Step 3: Cross multiply
1,617,035,505.20x = 2,425,553,257.80 × 1,603,430,615.60 - Step 4: Simplify right side
1,617,035,505.20x = 3,889,206,353,324,839,424 - Step 5: Solve for x
x = 3,889,206,353,324,839,424/1,617,035,505.20 - Step 6: Final answer
x = 2,405,145,923.40
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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.