Finding the Fourth Proportional to 20,434,440,153.80, 30,651,660,230.70 and 14,924,459,865.80
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Solution
The fourth proportional to 20,434,440,153.80, 30,651,660,230.70 and 14,924,459,865.80 is: 22,386,689,798.70
Step by Step Solution
- Step 1: Write the proportion equation
20,434,440,153.80 : 30,651,660,230.70 = 14,924,459,865.80 : x - Step 2: Convert to fraction form
20,434,440,153.80/30,651,660,230.70 = 14,924,459,865.80/x - Step 3: Cross multiply
20,434,440,153.80x = 30,651,660,230.70 × 14,924,459,865.80 - Step 4: Simplify right side
20,434,440,153.80x = 457,459,472,933,220,122,624 - Step 5: Solve for x
x = 457,459,472,933,220,122,624/20,434,440,153.80 - Step 6: Final answer
x = 22,386,689,798.70
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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.