Finding the Fourth Proportional to 403,291,237.80, 603,425,202.30 and 267,242,341.80
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Solution
The fourth proportional to 403,291,237.80, 603,425,202.30 and 267,242,341.80 is: 399,861,809.65
Step by Step Solution
- Step 1: Write the proportion equation
403,291,237.80 : 603,425,202.30 = 267,242,341.80 : x - Step 2: Convert to fraction form
403,291,237.80/603,425,202.30 = 267,242,341.80/x - Step 3: Cross multiply
403,291,237.80x = 603,425,202.30 × 267,242,341.80 - Step 4: Simplify right side
403,291,237.80x = 161,260,764,163,790,752 - Step 5: Solve for x
x = 161,260,764,163,790,752/403,291,237.80 - Step 6: Final answer
x = 399,861,809.65
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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.