Finding the Fourth Proportional to 7,383,599,207.76, 10,189,367,405.02 and 4,042,097,490.14
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Solution
The fourth proportional to 7,383,599,207.76, 10,189,367,405.02 and 4,042,097,490.14 is: 5,578,094,809.19
Step by Step Solution
- Step 1: Write the proportion equation
7,383,599,207.76 : 10,189,367,405.02 = 4,042,097,490.14 : x - Step 2: Convert to fraction form
7,383,599,207.76/10,189,367,405.02 = 4,042,097,490.14/x - Step 3: Cross multiply
7,383,599,207.76x = 10,189,367,405.02 × 4,042,097,490.14 - Step 4: Simplify right side
7,383,599,207.76x = 41,186,416,413,945,667,584 - Step 5: Solve for x
x = 41,186,416,413,945,667,584/7,383,599,207.76 - Step 6: Final answer
x = 5,578,094,809.19
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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.