Finding the Fourth Proportional to 6,363,324,097.09, 8,781,659,422.61 and 3,543,931,570.75
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Solution
The fourth proportional to 6,363,324,097.09, 8,781,659,422.61 and 3,543,931,570.75 is: 4,890,777,146.74
Step by Step Solution
- Step 1: Write the proportion equation
6,363,324,097.09 : 8,781,659,422.61 = 3,543,931,570.75 : x - Step 2: Convert to fraction form
6,363,324,097.09/8,781,659,422.61 = 3,543,931,570.75/x - Step 3: Cross multiply
6,363,324,097.09x = 8,781,659,422.61 × 3,543,931,570.75 - Step 4: Simplify right side
6,363,324,097.09x = 31,121,600,071,321,239,552 - Step 5: Solve for x
x = 31,121,600,071,321,239,552/6,363,324,097.09 - Step 6: Final answer
x = 4,890,777,146.74
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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.