Finding the Fourth Proportional to 545,600,121.31, 752,928,469.48 and 294,704,511.99
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Solution
The fourth proportional to 545,600,121.31, 752,928,469.48 and 294,704,511.99 is: 406,692,389.71
Step by Step Solution
- Step 1: Write the proportion equation
545,600,121.31 : 752,928,469.48 = 294,704,511.99 : x - Step 2: Convert to fraction form
545,600,121.31/752,928,469.48 = 294,704,511.99/x - Step 3: Cross multiply
545,600,121.31x = 752,928,469.48 × 294,704,511.99 - Step 4: Simplify right side
545,600,121.31x = 221,891,417,161,481,024 - Step 5: Solve for x
x = 221,891,417,161,481,024/545,600,121.31 - Step 6: Final answer
x = 406,692,389.71
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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.