Finding the Fourth Proportional to 4,320,432,812.70, 6,480,649,219.05 and 4,251,558,059.10
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Solution
The fourth proportional to 4,320,432,812.70, 6,480,649,219.05 and 4,251,558,059.10 is: 6,377,337,088.65
Step by Step Solution
- Step 1: Write the proportion equation
4,320,432,812.70 : 6,480,649,219.05 = 4,251,558,059.10 : x - Step 2: Convert to fraction form
4,320,432,812.70/6,480,649,219.05 = 4,251,558,059.10/x - Step 3: Cross multiply
4,320,432,812.70x = 6,480,649,219.05 × 4,251,558,059.10 - Step 4: Simplify right side
4,320,432,812.70x = 27,552,856,415,452,147,712 - Step 5: Solve for x
x = 27,552,856,415,452,147,712/4,320,432,812.70 - Step 6: Final answer
x = 6,377,337,088.65
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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.