Finding the Fourth Proportional to 422,193,810.87, 632,844,206.77 and 156,128,554.92
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Solution
The fourth proportional to 422,193,810.87, 632,844,206.77 and 156,128,554.92 is: 234,027,711.80
Step by Step Solution
- Step 1: Write the proportion equation
422,193,810.87 : 632,844,206.77 = 156,128,554.92 : x - Step 2: Convert to fraction form
422,193,810.87/632,844,206.77 = 156,128,554.92/x - Step 3: Cross multiply
422,193,810.87x = 632,844,206.77 × 156,128,554.92 - Step 4: Simplify right side
422,193,810.87x = 98,805,051,494,331,424 - Step 5: Solve for x
x = 98,805,051,494,331,424/422,193,810.87 - Step 6: Final answer
x = 234,027,711.80
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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.