Finding the Fourth Proportional to 2,558,823,260.63, 3,838,234,890.94 and 620,126,492.63
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Solution
The fourth proportional to 2,558,823,260.63, 3,838,234,890.94 and 620,126,492.63 is: 930,189,738.94
Step by Step Solution
- Step 1: Write the proportion equation
2,558,823,260.63 : 3,838,234,890.94 = 620,126,492.63 : x - Step 2: Convert to fraction form
2,558,823,260.63/3,838,234,890.94 = 620,126,492.63/x - Step 3: Cross multiply
2,558,823,260.63x = 3,838,234,890.94 × 620,126,492.63 - Step 4: Simplify right side
2,558,823,260.63x = 2,380,191,140,787,971,072 - Step 5: Solve for x
x = 2,380,191,140,787,971,072/2,558,823,260.63 - Step 6: Final answer
x = 930,189,738.94
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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.