Finding the Fourth Proportional to 1,982,193,861.07, 2,972,654,248.24 and 653,923,318.51
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Solution
The fourth proportional to 1,982,193,861.07, 2,972,654,248.24 and 653,923,318.51 is: 980,674,982.89
Step by Step Solution
- Step 1: Write the proportion equation
1,982,193,861.07 : 2,972,654,248.24 = 653,923,318.51 : x - Step 2: Convert to fraction form
1,982,193,861.07/2,972,654,248.24 = 653,923,318.51/x - Step 3: Cross multiply
1,982,193,861.07x = 2,972,654,248.24 × 653,923,318.51 - Step 4: Simplify right side
1,982,193,861.07x = 1,943,887,930,791,949,824 - Step 5: Solve for x
x = 1,943,887,930,791,949,824/1,982,193,861.07 - Step 6: Final answer
x = 980,674,982.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.