Finding the Fourth Proportional to 453,935,936.05, 626,412,236.95 and 252,982,117.40
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Solution
The fourth proportional to 453,935,936.05, 626,412,236.95 and 252,982,117.40 is: 349,104,535.43
Step by Step Solution
- Step 1: Write the proportion equation
453,935,936.05 : 626,412,236.95 = 252,982,117.40 : x - Step 2: Convert to fraction form
453,935,936.05/626,412,236.95 = 252,982,117.40/x - Step 3: Cross multiply
453,935,936.05x = 626,412,236.95 × 252,982,117.40 - Step 4: Simplify right side
453,935,936.05x = 158,471,094,067,285,344 - Step 5: Solve for x
x = 158,471,094,067,285,344/453,935,936.05 - Step 6: Final answer
x = 349,104,535.43
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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.