Finding the Fourth Proportional to 316,081,798,216.18, 436,181,595,634.53 and 178,901,679,153.30
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Solution
The fourth proportional to 316,081,798,216.18, 436,181,595,634.53 and 178,901,679,153.30 is: 246,877,929,432.09
Step by Step Solution
- Step 1: Write the proportion equation
316,081,798,216.18 : 436,181,595,634.53 = 178,901,679,153.30 : x - Step 2: Convert to fraction form
316,081,798,216.18/436,181,595,634.53 = 178,901,679,153.30/x - Step 3: Cross multiply
316,081,798,216.18x = 436,181,595,634.53 × 178,901,679,153.30 - Step 4: Simplify right side
316,081,798,216.18x = 78,033,619,874,783,124,520,960 - Step 5: Solve for x
x = 78,033,619,874,783,124,520,960/316,081,798,216.18 - Step 6: Final answer
x = 246,877,929,432.09
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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.