Finding the Fourth Proportional to 229,278,679,303.96, 316,405,533,128.58 and 126,393,538,746.03
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Solution
The fourth proportional to 229,278,679,303.96, 316,405,533,128.58 and 126,393,538,746.03 is: 174,423,610,308.43
Step by Step Solution
- Step 1: Write the proportion equation
229,278,679,303.96 : 316,405,533,128.58 = 126,393,538,746.03 : x - Step 2: Convert to fraction form
229,278,679,303.96/316,405,533,128.58 = 126,393,538,746.03/x - Step 3: Cross multiply
229,278,679,303.96x = 316,405,533,128.58 × 126,393,538,746.03 - Step 4: Simplify right side
229,278,679,303.96x = 39,991,615,010,945,458,241,536 - Step 5: Solve for x
x = 39,991,615,010,945,458,241,536/229,278,679,303.96 - Step 6: Final answer
x = 174,423,610,308.43
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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.