Finding the Fourth Proportional to 324,309,562.70, 487,240,412.07 and 207,952,887.75
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Solution
The fourth proportional to 324,309,562.70, 487,240,412.07 and 207,952,887.75 is: 312,426,959.83
Step by Step Solution
- Step 1: Write the proportion equation
324,309,562.70 : 487,240,412.07 = 207,952,887.75 : x - Step 2: Convert to fraction form
324,309,562.70/487,240,412.07 = 207,952,887.75/x - Step 3: Cross multiply
324,309,562.70x = 487,240,412.07 × 207,952,887.75 - Step 4: Simplify right side
324,309,562.70x = 101,323,050,718,456,448 - Step 5: Solve for x
x = 101,323,050,718,456,448/324,309,562.70 - Step 6: Final answer
x = 312,426,959.83
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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.