Finding the Fourth Proportional to 3,026,806,143.60, 4,540,209,215.40 and 1,858,486,249.20
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Solution
The fourth proportional to 3,026,806,143.60, 4,540,209,215.40 and 1,858,486,249.20 is: 2,787,729,373.80
Step by Step Solution
- Step 1: Write the proportion equation
3,026,806,143.60 : 4,540,209,215.40 = 1,858,486,249.20 : x - Step 2: Convert to fraction form
3,026,806,143.60/4,540,209,215.40 = 1,858,486,249.20/x - Step 3: Cross multiply
3,026,806,143.60x = 4,540,209,215.40 × 1,858,486,249.20 - Step 4: Simplify right side
3,026,806,143.60x = 8,437,916,395,312,020,480 - Step 5: Solve for x
x = 8,437,916,395,312,020,480/3,026,806,143.60 - Step 6: Final answer
x = 2,787,729,373.80
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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.