Finding the Fourth Proportional to 314,338,321.80, 471,507,482.70 and 161,283,313.80
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Solution
The fourth proportional to 314,338,321.80, 471,507,482.70 and 161,283,313.80 is: 241,924,970.70
Step by Step Solution
- Step 1: Write the proportion equation
314,338,321.80 : 471,507,482.70 = 161,283,313.80 : x - Step 2: Convert to fraction form
314,338,321.80/471,507,482.70 = 161,283,313.80/x - Step 3: Cross multiply
314,338,321.80x = 471,507,482.70 × 161,283,313.80 - Step 4: Simplify right side
314,338,321.80x = 76,046,289,291,352,176 - Step 5: Solve for x
x = 76,046,289,291,352,176/314,338,321.80 - Step 6: Final answer
x = 241,924,970.70
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1.5x scale
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.