Finding the Fourth Proportional to 415,367,306.58, 623,052,015.15 and 169,723,941.75
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Solution
The fourth proportional to 415,367,306.58, 623,052,015.15 and 169,723,941.75 is: 254,586,343.82
Step by Step Solution
- Step 1: Write the proportion equation
415,367,306.58 : 623,052,015.15 = 169,723,941.75 : x - Step 2: Convert to fraction form
415,367,306.58/623,052,015.15 = 169,723,941.75/x - Step 3: Cross multiply
415,367,306.58x = 623,052,015.15 × 169,723,941.75 - Step 4: Simplify right side
415,367,306.58x = 105,746,843,925,430,640 - Step 5: Solve for x
x = 105,746,843,925,430,640/415,367,306.58 - Step 6: Final answer
x = 254,586,343.82
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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.