Finding the Fourth Proportional to 734,856,576.60, 1,102,284,864.90 and 553,458,048.60
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Solution
The fourth proportional to 734,856,576.60, 1,102,284,864.90 and 553,458,048.60 is: 830,187,072.90
Step by Step Solution
- Step 1: Write the proportion equation
734,856,576.60 : 1,102,284,864.90 = 553,458,048.60 : x - Step 2: Convert to fraction form
734,856,576.60/1,102,284,864.90 = 553,458,048.60/x - Step 3: Cross multiply
734,856,576.60x = 1,102,284,864.90 × 553,458,048.60 - Step 4: Simplify right side
734,856,576.60x = 610,068,430,328,868,736 - Step 5: Solve for x
x = 610,068,430,328,868,736/734,856,576.60 - Step 6: Final answer
x = 830,187,072.90
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Double scale
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Similar ratio
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1.5x scale
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.