Finding the Fourth Proportional to 8,876,796,970.36, 12,245,335,505.94 and 5,488,623,190.84
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Solution
The fourth proportional to 8,876,796,970.36, 12,245,335,505.94 and 5,488,623,190.84 is: 7,571,428,372.41
Step by Step Solution
- Step 1: Write the proportion equation
8,876,796,970.36 : 12,245,335,505.94 = 5,488,623,190.84 : x - Step 2: Convert to fraction form
8,876,796,970.36/12,245,335,505.94 = 5,488,623,190.84/x - Step 3: Cross multiply
8,876,796,970.36x = 12,245,335,505.94 × 5,488,623,190.84 - Step 4: Simplify right side
8,876,796,970.36x = 67,210,032,437,518,753,792 - Step 5: Solve for x
x = 67,210,032,437,518,753,792/8,876,796,970.36 - Step 6: Final answer
x = 7,571,428,372.41
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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.