Finding the Fourth Proportional to 415,367,354.66, 623,052,087.36 and 169,723,990.00
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Solution
The fourth proportional to 415,367,354.66, 623,052,087.36 and 169,723,990.00 is: 254,586,416.23
Step by Step Solution
- Step 1: Write the proportion equation
415,367,354.66 : 623,052,087.36 = 169,723,990.00 : x - Step 2: Convert to fraction form
415,367,354.66/623,052,087.36 = 169,723,990.00/x - Step 3: Cross multiply
415,367,354.66x = 623,052,087.36 × 169,723,990.00 - Step 4: Simplify right side
415,367,354.66x = 105,746,886,240,603,888 - Step 5: Solve for x
x = 105,746,886,240,603,888/415,367,354.66 - Step 6: Final answer
x = 254,586,416.23
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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.