Finding the Fourth Proportional to 80,779,032,043.80, 121,168,548,065.70 and 36,699,189,739.80
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Solution
The fourth proportional to 80,779,032,043.80, 121,168,548,065.70 and 36,699,189,739.80 is: 55,048,784,609.70
Step by Step Solution
- Step 1: Write the proportion equation
80,779,032,043.80 : 121,168,548,065.70 = 36,699,189,739.80 : x - Step 2: Convert to fraction form
80,779,032,043.80/121,168,548,065.70 = 36,699,189,739.80/x - Step 3: Cross multiply
80,779,032,043.80x = 121,168,548,065.70 × 36,699,189,739.80 - Step 4: Simplify right side
80,779,032,043.80x = 4,446,787,535,959,200,628,736 - Step 5: Solve for x
x = 4,446,787,535,959,200,628,736/80,779,032,043.80 - Step 6: Final answer
x = 55,048,784,609.70
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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.