Finding the Fourth Proportional to 312,320,456.79, 465,688,459.97 and 303,739,698.30
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Solution
The fourth proportional to 312,320,456.79, 465,688,459.97 and 303,739,698.30 is: 452,894,036.42
Step by Step Solution
- Step 1: Write the proportion equation
312,320,456.79 : 465,688,459.97 = 303,739,698.30 : x - Step 2: Convert to fraction form
312,320,456.79/465,688,459.97 = 303,739,698.30/x - Step 3: Cross multiply
312,320,456.79x = 465,688,459.97 × 303,739,698.30 - Step 4: Simplify right side
312,320,456.79x = 141,448,072,331,560,720 - Step 5: Solve for x
x = 141,448,072,331,560,720/312,320,456.79 - Step 6: Final answer
x = 452,894,036.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.