Finding the Fourth Proportional to 440,134,327.80, 660,201,491.70 and 236,060,983.80
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Solution
The fourth proportional to 440,134,327.80, 660,201,491.70 and 236,060,983.80 is: 354,091,475.70
Step by Step Solution
- Step 1: Write the proportion equation
440,134,327.80 : 660,201,491.70 = 236,060,983.80 : x - Step 2: Convert to fraction form
440,134,327.80/660,201,491.70 = 236,060,983.80/x - Step 3: Cross multiply
440,134,327.80x = 660,201,491.70 × 236,060,983.80 - Step 4: Simplify right side
440,134,327.80x = 155,847,813,636,929,568 - Step 5: Solve for x
x = 155,847,813,636,929,568/440,134,327.80 - Step 6: Final answer
x = 354,091,475.70
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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.