Finding the Fourth Proportional to 2,019,609,614.80, 3,029,414,422.20 and 639,532,133.20
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Solution
The fourth proportional to 2,019,609,614.80, 3,029,414,422.20 and 639,532,133.20 is: 959,298,199.80
Step by Step Solution
- Step 1: Write the proportion equation
2,019,609,614.80 : 3,029,414,422.20 = 639,532,133.20 : x - Step 2: Convert to fraction form
2,019,609,614.80/3,029,414,422.20 = 639,532,133.20/x - Step 3: Cross multiply
2,019,609,614.80x = 3,029,414,422.20 × 639,532,133.20 - Step 4: Simplify right side
2,019,609,614.80x = 1,937,407,867,776,411,392 - Step 5: Solve for x
x = 1,937,407,867,776,411,392/2,019,609,614.80 - Step 6: Final answer
x = 959,298,199.80
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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.