Finding the Fourth Proportional to 370,842,449,699.80, 556,263,674,549.70 and 91,670,115,107.80
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Solution
The fourth proportional to 370,842,449,699.80, 556,263,674,549.70 and 91,670,115,107.80 is: 137,505,172,661.70
Step by Step Solution
- Step 1: Write the proportion equation
370,842,449,699.80 : 556,263,674,549.70 = 91,670,115,107.80 : x - Step 2: Convert to fraction form
370,842,449,699.80/556,263,674,549.70 = 91,670,115,107.80/x - Step 3: Cross multiply
370,842,449,699.80x = 556,263,674,549.70 × 91,670,115,107.80 - Step 4: Simplify right side
370,842,449,699.80x = 50,992,755,076,258,794,045,440 - Step 5: Solve for x
x = 50,992,755,076,258,794,045,440/370,842,449,699.80 - Step 6: Final answer
x = 137,505,172,661.70
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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.