Finding the Fourth Proportional to 279,269,062,291.97, 418,903,598,973.79 and 67,033,194,774.88
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Solution
The fourth proportional to 279,269,062,291.97, 418,903,598,973.79 and 67,033,194,774.88 is: 100,549,793,491.09
Step by Step Solution
- Step 1: Write the proportion equation
279,269,062,291.97 : 418,903,598,973.79 = 67,033,194,774.88 : x - Step 2: Convert to fraction form
279,269,062,291.97/418,903,598,973.79 = 67,033,194,774.88/x - Step 3: Cross multiply
279,269,062,291.97x = 418,903,598,973.79 × 67,033,194,774.88 - Step 4: Simplify right side
279,269,062,291.97x = 28,080,446,541,908,282,441,728 - Step 5: Solve for x
x = 28,080,446,541,908,282,441,728/279,269,062,291.97 - Step 6: Final answer
x = 100,549,793,491.09
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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.