Finding the Fourth Proportional to 2,099,524,432.32, 2,897,431,738.50 and 1,207,451,855.33
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Solution
The fourth proportional to 2,099,524,432.32, 2,897,431,738.50 and 1,207,451,855.33 is: 1,666,334,182.39
Step by Step Solution
- Step 1: Write the proportion equation
2,099,524,432.32 : 2,897,431,738.50 = 1,207,451,855.33 : x - Step 2: Convert to fraction form
2,099,524,432.32/2,897,431,738.50 = 1,207,451,855.33/x - Step 3: Cross multiply
2,099,524,432.32x = 2,897,431,738.50 × 1,207,451,855.33 - Step 4: Simplify right side
2,099,524,432.32x = 3,498,509,328,344,963,584 - Step 5: Solve for x
x = 3,498,509,328,344,963,584/2,099,524,432.32 - Step 6: Final answer
x = 1,666,334,182.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.