Finding the Fourth Proportional to 14,125,281,874.48, 21,180,565,774.08 and 6,661,860,724.99
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Solution
The fourth proportional to 14,125,281,874.48, 21,180,565,774.08 and 6,661,860,724.99 is: 9,989,321,311.76
Step by Step Solution
- Step 1: Write the proportion equation
14,125,281,874.48 : 21,180,565,774.08 = 6,661,860,724.99 : x - Step 2: Convert to fraction form
14,125,281,874.48/21,180,565,774.08 = 6,661,860,724.99/x - Step 3: Cross multiply
14,125,281,874.48x = 21,180,565,774.08 × 6,661,860,724.99 - Step 4: Simplify right side
14,125,281,874.48x = 141,101,979,263,305,072,640 - Step 5: Solve for x
x = 141,101,979,263,305,072,640/14,125,281,874.48 - Step 6: Final answer
x = 9,989,321,311.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.