Finding the Fourth Proportional to 6,995,336,264.58, 9,652,485,318.65 and 3,984,205,097.25
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Solution
The fourth proportional to 6,995,336,264.58, 9,652,485,318.65 and 3,984,205,097.25 is: 5,497,588,643.80
Step by Step Solution
- Step 1: Write the proportion equation
6,995,336,264.58 : 9,652,485,318.65 = 3,984,205,097.25 : x - Step 2: Convert to fraction form
6,995,336,264.58/9,652,485,318.65 = 3,984,205,097.25/x - Step 3: Cross multiply
6,995,336,264.58x = 9,652,485,318.65 × 3,984,205,097.25 - Step 4: Simplify right side
6,995,336,264.58x = 38,457,481,207,706,476,544 - Step 5: Solve for x
x = 38,457,481,207,706,476,544/6,995,336,264.58 - Step 6: Final answer
x = 5,497,588,643.80
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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.