Finding the Fourth Proportional to 453,220,389.07, 679,830,546.18 and 125,695,897.99
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Solution
The fourth proportional to 453,220,389.07, 679,830,546.18 and 125,695,897.99 is: 188,543,836.61
Step by Step Solution
- Step 1: Write the proportion equation
453,220,389.07 : 679,830,546.18 = 125,695,897.99 : x - Step 2: Convert to fraction form
453,220,389.07/679,830,546.18 = 125,695,897.99/x - Step 3: Cross multiply
453,220,389.07x = 679,830,546.18 × 125,695,897.99 - Step 4: Simplify right side
453,220,389.07x = 85,451,910,983,127,248 - Step 5: Solve for x
x = 85,451,910,983,127,248/453,220,389.07 - Step 6: Final answer
x = 188,543,836.61
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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.