Finding the Fourth Proportional to 4,120,276,335.80, 6,180,414,503.70 and 1,943,493,999.80
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Solution
The fourth proportional to 4,120,276,335.80, 6,180,414,503.70 and 1,943,493,999.80 is: 2,915,240,999.70
Step by Step Solution
- Step 1: Write the proportion equation
4,120,276,335.80 : 6,180,414,503.70 = 1,943,493,999.80 : x - Step 2: Convert to fraction form
4,120,276,335.80/6,180,414,503.70 = 1,943,493,999.80/x - Step 3: Cross multiply
4,120,276,335.80x = 6,180,414,503.70 × 1,943,493,999.80 - Step 4: Simplify right side
4,120,276,335.80x = 12,011,598,504,217,843,712 - Step 5: Solve for x
x = 12,011,598,504,217,843,712/4,120,276,335.80 - Step 6: Final answer
x = 2,915,240,999.70
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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.