Finding the Fourth Proportional to 539,373,539.80, 809,060,309.70 and 233,263,523.80
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Solution
The fourth proportional to 539,373,539.80, 809,060,309.70 and 233,263,523.80 is: 349,895,285.70
Step by Step Solution
- Step 1: Write the proportion equation
539,373,539.80 : 809,060,309.70 = 233,263,523.80 : x - Step 2: Convert to fraction form
539,373,539.80/809,060,309.70 = 233,263,523.80/x - Step 3: Cross multiply
539,373,539.80x = 809,060,309.70 × 233,263,523.80 - Step 4: Simplify right side
539,373,539.80x = 188,724,258,807,341,344 - Step 5: Solve for x
x = 188,724,258,807,341,344/539,373,539.80 - Step 6: Final answer
x = 349,895,285.70
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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.