Finding the Fourth Proportional to 2,255,420,728.50, 3,386,452,134.87 and 1,261,389,292.26
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Solution
The fourth proportional to 2,255,420,728.50, 3,386,452,134.87 and 1,261,389,292.26 is: 1,893,941,297.82
Step by Step Solution
- Step 1: Write the proportion equation
2,255,420,728.50 : 3,386,452,134.87 = 1,261,389,292.26 : x - Step 2: Convert to fraction form
2,255,420,728.50/3,386,452,134.87 = 1,261,389,292.26/x - Step 3: Cross multiply
2,255,420,728.50x = 3,386,452,134.87 × 1,261,389,292.26 - Step 4: Simplify right side
2,255,420,728.50x = 4,271,634,461,676,035,072 - Step 5: Solve for x
x = 4,271,634,461,676,035,072/2,255,420,728.50 - Step 6: Final answer
x = 1,893,941,297.82
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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.