Finding the Fourth Proportional to 4,367,340,079.20, 6,551,010,118.80 and 1,419,613,999.20
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Solution
The fourth proportional to 4,367,340,079.20, 6,551,010,118.80 and 1,419,613,999.20 is: 2,129,420,998.80
Step by Step Solution
- Step 1: Write the proportion equation
4,367,340,079.20 : 6,551,010,118.80 = 1,419,613,999.20 : x - Step 2: Convert to fraction form
4,367,340,079.20/6,551,010,118.80 = 1,419,613,999.20/x - Step 3: Cross multiply
4,367,340,079.20x = 6,551,010,118.80 × 1,419,613,999.20 - Step 4: Simplify right side
4,367,340,079.20x = 9,299,905,673,549,336,576 - Step 5: Solve for x
x = 9,299,905,673,549,336,576/4,367,340,079.20 - Step 6: Final answer
x = 2,129,420,998.80
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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.