Finding the Fourth Proportional to 6,995,336,266.08, 9,652,485,320.72 and 3,984,205,098.75
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Solution
The fourth proportional to 6,995,336,266.08, 9,652,485,320.72 and 3,984,205,098.75 is: 5,497,588,645.86
Step by Step Solution
- Step 1: Write the proportion equation
6,995,336,266.08 : 9,652,485,320.72 = 3,984,205,098.75 : x - Step 2: Convert to fraction form
6,995,336,266.08/9,652,485,320.72 = 3,984,205,098.75/x - Step 3: Cross multiply
6,995,336,266.08x = 9,652,485,320.72 × 3,984,205,098.75 - Step 4: Simplify right side
6,995,336,266.08x = 38,457,481,230,402,232,320 - Step 5: Solve for x
x = 38,457,481,230,402,232,320/6,995,336,266.08 - Step 6: Final answer
x = 5,497,588,645.86
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Double scale
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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.