Finding the Fourth Proportional to 229,278,679,301.71, 316,405,533,125.47 and 126,393,538,743.78
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Solution
The fourth proportional to 229,278,679,301.71, 316,405,533,125.47 and 126,393,538,743.78 is: 174,423,610,305.32
Step by Step Solution
- Step 1: Write the proportion equation
229,278,679,301.71 : 316,405,533,125.47 = 126,393,538,743.78 : x - Step 2: Convert to fraction form
229,278,679,301.71/316,405,533,125.47 = 126,393,538,743.78/x - Step 3: Cross multiply
229,278,679,301.71x = 316,405,533,125.47 × 126,393,538,743.78 - Step 4: Simplify right side
229,278,679,301.71x = 39,991,615,009,840,452,075,520 - Step 5: Solve for x
x = 39,991,615,009,840,452,075,520/229,278,679,301.71 - Step 6: Final answer
x = 174,423,610,305.32
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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.