Finding the Fourth Proportional to 453,817,649.97, 626,251,822.88 and 252,864,141.45
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Solution
The fourth proportional to 453,817,649.97, 626,251,822.88 and 252,864,141.45 is: 348,943,302.52
Step by Step Solution
- Step 1: Write the proportion equation
453,817,649.97 : 626,251,822.88 = 252,864,141.45 : x - Step 2: Convert to fraction form
453,817,649.97/626,251,822.88 = 252,864,141.45/x - Step 3: Cross multiply
453,817,649.97x = 626,251,822.88 × 252,864,141.45 - Step 4: Simplify right side
453,817,649.97x = 158,356,629,524,048,672 - Step 5: Solve for x
x = 158,356,629,524,048,672/453,817,649.97 - Step 6: Final answer
x = 348,943,302.52
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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.