Finding the Fourth Proportional to 474,876,130.60, 712,314,195.90 and 202,274,453.80
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Solution
The fourth proportional to 474,876,130.60, 712,314,195.90 and 202,274,453.80 is: 303,411,680.70
Step by Step Solution
- Step 1: Write the proportion equation
474,876,130.60 : 712,314,195.90 = 202,274,453.80 : x - Step 2: Convert to fraction form
474,876,130.60/712,314,195.90 = 202,274,453.80/x - Step 3: Cross multiply
474,876,130.60x = 712,314,195.90 × 202,274,453.80 - Step 4: Simplify right side
474,876,130.60x = 144,082,964,909,658,704 - Step 5: Solve for x
x = 144,082,964,909,658,704/474,876,130.60 - Step 6: Final answer
x = 303,411,680.70
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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.