Finding the Fourth Proportional to 2,178,325,489.63, 3,260,724,667.58 and 1,179,866,760.52
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Solution
The fourth proportional to 2,178,325,489.63, 3,260,724,667.58 and 1,179,866,760.52 is: 1,766,136,726.95
Step by Step Solution
- Step 1: Write the proportion equation
2,178,325,489.63 : 3,260,724,667.58 = 1,179,866,760.52 : x - Step 2: Convert to fraction form
2,178,325,489.63/3,260,724,667.58 = 1,179,866,760.52/x - Step 3: Cross multiply
2,178,325,489.63x = 3,260,724,667.58 × 1,179,866,760.52 - Step 4: Simplify right side
2,178,325,489.63x = 3,847,220,650,485,268,480 - Step 5: Solve for x
x = 3,847,220,650,485,268,480/2,178,325,489.63 - Step 6: Final answer
x = 1,766,136,726.95
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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.