Finding the Fourth Proportional to 3,909,032,327.20, 5,863,548,490.80 and 2,358,074,912.80
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Solution
The fourth proportional to 3,909,032,327.20, 5,863,548,490.80 and 2,358,074,912.80 is: 3,537,112,369.20
Step by Step Solution
- Step 1: Write the proportion equation
3,909,032,327.20 : 5,863,548,490.80 = 2,358,074,912.80 : x - Step 2: Convert to fraction form
3,909,032,327.20/5,863,548,490.80 = 2,358,074,912.80/x - Step 3: Cross multiply
3,909,032,327.20x = 5,863,548,490.80 × 2,358,074,912.80 - Step 4: Simplify right side
3,909,032,327.20x = 13,826,686,596,141,783,040 - Step 5: Solve for x
x = 13,826,686,596,141,783,040/3,909,032,327.20 - Step 6: Final answer
x = 3,537,112,369.20
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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.