Finding the Fourth Proportional to 527,909,050.35, 792,147,010.73 and 221,232,163.95
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Solution
The fourth proportional to 527,909,050.35, 792,147,010.73 and 221,232,163.95 is: 331,967,025.82
Step by Step Solution
- Step 1: Write the proportion equation
527,909,050.35 : 792,147,010.73 = 221,232,163.95 : x - Step 2: Convert to fraction form
527,909,050.35/792,147,010.73 = 221,232,163.95/x - Step 3: Cross multiply
527,909,050.35x = 792,147,010.73 × 221,232,163.95 - Step 4: Simplify right side
527,909,050.35x = 175,248,397,349,215,616 - Step 5: Solve for x
x = 175,248,397,349,215,616/527,909,050.35 - Step 6: Final answer
x = 331,967,025.82
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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.