Finding the Fourth Proportional to 1,305,201,693.24, 1,957,086,943.56 and 517,457,327.76
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Solution
The fourth proportional to 1,305,201,693.24, 1,957,086,943.56 and 517,457,327.76 is: 775,902,287.94
Step by Step Solution
- Step 1: Write the proportion equation
1,305,201,693.24 : 1,957,086,943.56 = 517,457,327.76 : x - Step 2: Convert to fraction form
1,305,201,693.24/1,957,086,943.56 = 517,457,327.76/x - Step 3: Cross multiply
1,305,201,693.24x = 1,957,086,943.56 × 517,457,327.76 - Step 4: Simplify right side
1,305,201,693.24x = 1,012,708,980,008,543,488 - Step 5: Solve for x
x = 1,012,708,980,008,543,488/1,305,201,693.24 - Step 6: Final answer
x = 775,902,287.94
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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.