Finding the Fourth Proportional to 1,094,674,091.70, 1,639,721,883.15 and 512,904,875.70
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Solution
The fourth proportional to 1,094,674,091.70, 1,639,721,883.15 and 512,904,875.70 is: 768,284,693.17
Step by Step Solution
- Step 1: Write the proportion equation
1,094,674,091.70 : 1,639,721,883.15 = 512,904,875.70 : x - Step 2: Convert to fraction form
1,094,674,091.70/1,639,721,883.15 = 512,904,875.70/x - Step 3: Cross multiply
1,094,674,091.70x = 1,639,721,883.15 × 512,904,875.70 - Step 4: Simplify right side
1,094,674,091.70x = 841,021,348,659,620,736 - Step 5: Solve for x
x = 841,021,348,659,620,736/1,094,674,091.70 - Step 6: Final answer
x = 768,284,693.17
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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.