Finding the Fourth Proportional to 8,049,368,386.80, 12,066,872,221.80 and 3,140,900,578.80
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Solution
The fourth proportional to 8,049,368,386.80, 12,066,872,221.80 and 3,140,900,578.80 is: 4,708,549,059.32
Step by Step Solution
- Step 1: Write the proportion equation
8,049,368,386.80 : 12,066,872,221.80 = 3,140,900,578.80 : x - Step 2: Convert to fraction form
8,049,368,386.80/12,066,872,221.80 = 3,140,900,578.80/x - Step 3: Cross multiply
8,049,368,386.80x = 12,066,872,221.80 × 3,140,900,578.80 - Step 4: Simplify right side
8,049,368,386.80x = 37,900,845,945,757,261,824 - Step 5: Solve for x
x = 37,900,845,945,757,261,824/8,049,368,386.80 - Step 6: Final answer
x = 4,708,549,059.32
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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.