Finding the Fourth Proportional to 6,391,211,058, 8,820,143,646.66 and 3,571,818,900.84
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Solution
The fourth proportional to 6,391,211,058, 8,820,143,646.66 and 3,571,818,900.84 is: 4,929,262,310.28
Step by Step Solution
- Step 1: Write the proportion equation
6,391,211,058 : 8,820,143,646.66 = 3,571,818,900.84 : x - Step 2: Convert to fraction form
6,391,211,058/8,820,143,646.66 = 3,571,818,900.84/x - Step 3: Cross multiply
6,391,211,058x = 8,820,143,646.66 × 3,571,818,900.84 - Step 4: Simplify right side
6,391,211,058x = 31,503,955,785,264,029,696 - Step 5: Solve for x
x = 31,503,955,785,264,029,696/6,391,211,058 - Step 6: Final answer
x = 4,929,262,310.28
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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.