Finding the Fourth Proportional to 9,475,498,984.46, 13,076,597,204.39 and 5,246,411,246.75
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Solution
The fourth proportional to 9,475,498,984.46, 13,076,597,204.39 and 5,246,411,246.75 is: 7,240,273,758.12
Step by Step Solution
- Step 1: Write the proportion equation
9,475,498,984.46 : 13,076,597,204.39 = 5,246,411,246.75 : x - Step 2: Convert to fraction form
9,475,498,984.46/13,076,597,204.39 = 5,246,411,246.75/x - Step 3: Cross multiply
9,475,498,984.46x = 13,076,597,204.39 × 5,246,411,246.75 - Step 4: Simplify right side
9,475,498,984.46x = 68,605,206,642,305,073,152 - Step 5: Solve for x
x = 68,605,206,642,305,073,152/9,475,498,984.46 - Step 6: Final answer
x = 7,240,273,758.12
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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.