Finding the Fourth Proportional to 662,189,815.22, 993,251,703.91 and 247,636,158.99
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Solution
The fourth proportional to 662,189,815.22, 993,251,703.91 and 247,636,158.99 is: 371,441,890.55
Step by Step Solution
- Step 1: Write the proportion equation
662,189,815.22 : 993,251,703.91 = 247,636,158.99 : x - Step 2: Convert to fraction form
662,189,815.22/993,251,703.91 = 247,636,158.99/x - Step 3: Cross multiply
662,189,815.22x = 993,251,703.91 × 247,636,158.99 - Step 4: Simplify right side
662,189,815.22x = 245,965,036,866,545,152 - Step 5: Solve for x
x = 245,965,036,866,545,152/662,189,815.22 - Step 6: Final answer
x = 371,441,890.55
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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.