Finding the Fourth Proportional to 1,119,750,822.60, 1,679,626,233.90 and 659,452,057.80
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Solution
The fourth proportional to 1,119,750,822.60, 1,679,626,233.90 and 659,452,057.80 is: 989,178,086.70
Step by Step Solution
- Step 1: Write the proportion equation
1,119,750,822.60 : 1,679,626,233.90 = 659,452,057.80 : x - Step 2: Convert to fraction form
1,119,750,822.60/1,679,626,233.90 = 659,452,057.80/x - Step 3: Cross multiply
1,119,750,822.60x = 1,679,626,233.90 × 659,452,057.80 - Step 4: Simplify right side
1,119,750,822.60x = 1,107,632,976,280,219,136 - Step 5: Solve for x
x = 1,107,632,976,280,219,136/1,119,750,822.60 - Step 6: Final answer
x = 989,178,086.70
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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.