Finding the Fourth Proportional to 7,192,328,480,331.20, 10,789,126,947,165 and 2,029,218,678,618.80
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Solution
The fourth proportional to 7,192,328,480,331.20, 10,789,126,947,165 and 2,029,218,678,618.80 is: 3,044,006,956,446.53
Step by Step Solution
- Step 1: Write the proportion equation
7,192,328,480,331.20 : 10,789,126,947,165 = 2,029,218,678,618.80 : x - Step 2: Convert to fraction form
7,192,328,480,331.20/10,789,126,947,165 = 2,029,218,678,618.80/x - Step 3: Cross multiply
7,192,328,480,331.20x = 10,789,126,947,165 × 2,029,218,678,618.80 - Step 4: Simplify right side
7,192,328,480,331.20x = 21,893,497,927,176,650,175,283,200 - Step 5: Solve for x
x = 21,893,497,927,176,650,175,283,200/7,192,328,480,331.20 - Step 6: Final answer
x = 3,044,006,956,446.53
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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.