Finding the Fourth Proportional to 539,796,670.40, 809,695,005.60 and 335,723,326.40
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Solution
The fourth proportional to 539,796,670.40, 809,695,005.60 and 335,723,326.40 is: 503,584,989.60
Step by Step Solution
- Step 1: Write the proportion equation
539,796,670.40 : 809,695,005.60 = 335,723,326.40 : x - Step 2: Convert to fraction form
539,796,670.40/809,695,005.60 = 335,723,326.40/x - Step 3: Cross multiply
539,796,670.40x = 809,695,005.60 × 335,723,326.40 - Step 4: Simplify right side
539,796,670.40x = 271,833,500,649,498,624 - Step 5: Solve for x
x = 271,833,500,649,498,624/539,796,670.40 - Step 6: Final answer
x = 503,584,989.60
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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.