Finding the Fourth Proportional to 2,657,206,276.80, 3,985,809,415.20 and 2,555,169,604.80
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Solution
The fourth proportional to 2,657,206,276.80, 3,985,809,415.20 and 2,555,169,604.80 is: 3,832,754,407.20
Step by Step Solution
- Step 1: Write the proportion equation
2,657,206,276.80 : 3,985,809,415.20 = 2,555,169,604.80 : x - Step 2: Convert to fraction form
2,657,206,276.80/3,985,809,415.20 = 2,555,169,604.80/x - Step 3: Cross multiply
2,657,206,276.80x = 3,985,809,415.20 × 2,555,169,604.80 - Step 4: Simplify right side
2,657,206,276.80x = 10,184,419,068,244,703,232 - Step 5: Solve for x
x = 10,184,419,068,244,703,232/2,657,206,276.80 - Step 6: Final answer
x = 3,832,754,407.20
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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.