Finding the Fourth Proportional to 6,319,019,881.26, 8,720,276,566.86 and 3,499,568,699.58
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Solution
The fourth proportional to 6,319,019,881.26, 8,720,276,566.86 and 3,499,568,699.58 is: 4,829,420,938.45
Step by Step Solution
- Step 1: Write the proportion equation
6,319,019,881.26 : 8,720,276,566.86 = 3,499,568,699.58 : x - Step 2: Convert to fraction form
6,319,019,881.26/8,720,276,566.86 = 3,499,568,699.58/x - Step 3: Cross multiply
6,319,019,881.26x = 8,720,276,566.86 × 3,499,568,699.58 - Step 4: Simplify right side
6,319,019,881.26x = 30,517,206,925,064,200,192 - Step 5: Solve for x
x = 30,517,206,925,064,200,192/6,319,019,881.26 - Step 6: Final answer
x = 4,829,420,938.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.