Finding the Fourth Proportional to 453,697,759.80, 680,546,639.70 and 223,776,991.80
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Solution
The fourth proportional to 453,697,759.80, 680,546,639.70 and 223,776,991.80 is: 335,665,487.70
Step by Step Solution
- Step 1: Write the proportion equation
453,697,759.80 : 680,546,639.70 = 223,776,991.80 : x - Step 2: Convert to fraction form
453,697,759.80/680,546,639.70 = 223,776,991.80/x - Step 3: Cross multiply
453,697,759.80x = 680,546,639.70 × 223,776,991.80 - Step 4: Simplify right side
453,697,759.80x = 152,290,679,811,664,480 - Step 5: Solve for x
x = 152,290,679,811,664,480/453,697,759.80 - Step 6: Final answer
x = 335,665,487.70
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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.