Finding the Fourth Proportional to 4,865,156,046.92, 6,713,968,260.66 and 2,858,075,776.28
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Solution
The fourth proportional to 4,865,156,046.92, 6,713,968,260.66 and 2,858,075,776.28 is: 3,944,175,657.15
Step by Step Solution
- Step 1: Write the proportion equation
4,865,156,046.92 : 6,713,968,260.66 = 2,858,075,776.28 : x - Step 2: Convert to fraction form
4,865,156,046.92/6,713,968,260.66 = 2,858,075,776.28/x - Step 3: Cross multiply
4,865,156,046.92x = 6,713,968,260.66 × 2,858,075,776.28 - Step 4: Simplify right side
4,865,156,046.92x = 19,189,030,048,505,110,528 - Step 5: Solve for x
x = 19,189,030,048,505,110,528/4,865,156,046.92 - Step 6: Final answer
x = 3,944,175,657.15
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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.