Finding the Fourth Proportional to 3,975,967,549.20, 5,963,951,323.80 and 1,358,726,912.40
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Solution
The fourth proportional to 3,975,967,549.20, 5,963,951,323.80 and 1,358,726,912.40 is: 2,038,090,368.60
Step by Step Solution
- Step 1: Write the proportion equation
3,975,967,549.20 : 5,963,951,323.80 = 1,358,726,912.40 : x - Step 2: Convert to fraction form
3,975,967,549.20/5,963,951,323.80 = 1,358,726,912.40/x - Step 3: Cross multiply
3,975,967,549.20x = 5,963,951,323.80 × 1,358,726,912.40 - Step 4: Simplify right side
3,975,967,549.20x = 8,103,381,167,890,667,520 - Step 5: Solve for x
x = 8,103,381,167,890,667,520/3,975,967,549.20 - Step 6: Final answer
x = 2,038,090,368.60
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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.