Finding the Fourth Proportional to 4,189,402,889.26, 6,284,750,034.70 and 1,428,386,204.32
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Solution
The fourth proportional to 4,189,402,889.26, 6,284,750,034.70 and 1,428,386,204.32 is: 2,142,799,459.60
Step by Step Solution
- Step 1: Write the proportion equation
4,189,402,889.26 : 6,284,750,034.70 = 1,428,386,204.32 : x - Step 2: Convert to fraction form
4,189,402,889.26/6,284,750,034.70 = 1,428,386,204.32/x - Step 3: Cross multiply
4,189,402,889.26x = 6,284,750,034.70 × 1,428,386,204.32 - Step 4: Simplify right side
4,189,402,889.26x = 8,977,050,247,151,266,816 - Step 5: Solve for x
x = 8,977,050,247,151,266,816/4,189,402,889.26 - Step 6: Final answer
x = 2,142,799,459.60
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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.