Finding the Fourth Proportional to 453,220,388.07, 679,830,544.68 and 125,695,896.99
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Solution
The fourth proportional to 453,220,388.07, 679,830,544.68 and 125,695,896.99 is: 188,543,835.11
Step by Step Solution
- Step 1: Write the proportion equation
453,220,388.07 : 679,830,544.68 = 125,695,896.99 : x - Step 2: Convert to fraction form
453,220,388.07/679,830,544.68 = 125,695,896.99/x - Step 3: Cross multiply
453,220,388.07x = 679,830,544.68 × 125,695,896.99 - Step 4: Simplify right side
453,220,388.07x = 85,451,910,114,752,864 - Step 5: Solve for x
x = 85,451,910,114,752,864/453,220,388.07 - Step 6: Final answer
x = 188,543,835.11
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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.