Finding the Fourth Proportional to 1,418,019,165.20, 2,126,815,996.44 and 448,544,810
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Solution
The fourth proportional to 1,418,019,165.20, 2,126,815,996.44 and 448,544,810 is: 672,749,917.94
Step by Step Solution
- Step 1: Write the proportion equation
1,418,019,165.20 : 2,126,815,996.44 = 448,544,810 : x - Step 2: Convert to fraction form
1,418,019,165.20/2,126,815,996.44 = 448,544,810/x - Step 3: Cross multiply
1,418,019,165.20x = 2,126,815,996.44 × 448,544,810 - Step 4: Simplify right side
1,418,019,165.20x = 953,972,277,028,140,544 - Step 5: Solve for x
x = 953,972,277,028,140,544/1,418,019,165.20 - Step 6: Final answer
x = 672,749,917.94
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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.