Finding the Fourth Proportional to 355,128,277.60, 532,692,416.40 and 202,245,896.80
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Solution
The fourth proportional to 355,128,277.60, 532,692,416.40 and 202,245,896.80 is: 303,368,845.20
Step by Step Solution
- Step 1: Write the proportion equation
355,128,277.60 : 532,692,416.40 = 202,245,896.80 : x - Step 2: Convert to fraction form
355,128,277.60/532,692,416.40 = 202,245,896.80/x - Step 3: Cross multiply
355,128,277.60x = 532,692,416.40 × 202,245,896.80 - Step 4: Simplify right side
355,128,277.60x = 107,734,855,473,377,024 - Step 5: Solve for x
x = 107,734,855,473,377,024/355,128,277.60 - Step 6: Final answer
x = 303,368,845.20
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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.