Finding the Fourth Proportional to 2,458,254,139.20, 3,687,381,208.80 and 1,078,729,531.20
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Solution
The fourth proportional to 2,458,254,139.20, 3,687,381,208.80 and 1,078,729,531.20 is: 1,618,094,296.80
Step by Step Solution
- Step 1: Write the proportion equation
2,458,254,139.20 : 3,687,381,208.80 = 1,078,729,531.20 : x - Step 2: Convert to fraction form
2,458,254,139.20/3,687,381,208.80 = 1,078,729,531.20/x - Step 3: Cross multiply
2,458,254,139.20x = 3,687,381,208.80 × 1,078,729,531.20 - Step 4: Simplify right side
2,458,254,139.20x = 3,977,687,002,724,513,792 - Step 5: Solve for x
x = 3,977,687,002,724,513,792/2,458,254,139.20 - Step 6: Final answer
x = 1,618,094,296.80
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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.