Finding the Fourth Proportional to 474,876,134.60, 712,314,201.90 and 202,274,457.80
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Solution
The fourth proportional to 474,876,134.60, 712,314,201.90 and 202,274,457.80 is: 303,411,686.70
Step by Step Solution
- Step 1: Write the proportion equation
474,876,134.60 : 712,314,201.90 = 202,274,457.80 : x - Step 2: Convert to fraction form
474,876,134.60/712,314,201.90 = 202,274,457.80/x - Step 3: Cross multiply
474,876,134.60x = 712,314,201.90 × 202,274,457.80 - Step 4: Simplify right side
474,876,134.60x = 144,082,968,972,562,240 - Step 5: Solve for x
x = 144,082,968,972,562,240/474,876,134.60 - Step 6: Final answer
x = 303,411,686.70
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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.