Finding the Fourth Proportional to 959,367,106.80, 1,439,050,660.20 and 890,492,353.20
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Solution
The fourth proportional to 959,367,106.80, 1,439,050,660.20 and 890,492,353.20 is: 1,335,738,529.80
Step by Step Solution
- Step 1: Write the proportion equation
959,367,106.80 : 1,439,050,660.20 = 890,492,353.20 : x - Step 2: Convert to fraction form
959,367,106.80/1,439,050,660.20 = 890,492,353.20/x - Step 3: Cross multiply
959,367,106.80x = 1,439,050,660.20 × 890,492,353.20 - Step 4: Simplify right side
959,367,106.80x = 1,281,463,608,775,511,808 - Step 5: Solve for x
x = 1,281,463,608,775,511,808/959,367,106.80 - Step 6: Final answer
x = 1,335,738,529.80
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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.