Finding the Fourth Proportional to 2,563,862,197.20, 3,845,793,295.80 and 2,391,869,518.80
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Solution
The fourth proportional to 2,563,862,197.20, 3,845,793,295.80 and 2,391,869,518.80 is: 3,587,804,278.20
Step by Step Solution
- Step 1: Write the proportion equation
2,563,862,197.20 : 3,845,793,295.80 = 2,391,869,518.80 : x - Step 2: Convert to fraction form
2,563,862,197.20/3,845,793,295.80 = 2,391,869,518.80/x - Step 3: Cross multiply
2,563,862,197.20x = 3,845,793,295.80 × 2,391,869,518.80 - Step 4: Simplify right side
2,563,862,197.20x = 9,198,635,759,829,412,864 - Step 5: Solve for x
x = 9,198,635,759,829,412,864/2,563,862,197.20 - Step 6: Final answer
x = 3,587,804,278.20
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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.