Finding the Fourth Proportional to 1,654,817,793.76, 2,283,673,875.60 and 902,131,475.68
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Solution
The fourth proportional to 1,654,817,793.76, 2,283,673,875.60 and 902,131,475.68 is: 1,244,955,239.87
Step by Step Solution
- Step 1: Write the proportion equation
1,654,817,793.76 : 2,283,673,875.60 = 902,131,475.68 : x - Step 2: Convert to fraction form
1,654,817,793.76/2,283,673,875.60 = 902,131,475.68/x - Step 3: Cross multiply
1,654,817,793.76x = 2,283,673,875.60 × 902,131,475.68 - Step 4: Simplify right side
1,654,817,793.76x = 2,060,174,083,366,892,544 - Step 5: Solve for x
x = 2,060,174,083,366,892,544/1,654,817,793.76 - Step 6: Final answer
x = 1,244,955,239.87
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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.