Finding the Fourth Proportional to 970,920,152.23, 1,455,927,442.19 and 504,456,173.68
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Solution
The fourth proportional to 970,920,152.23, 1,455,927,442.19 and 504,456,173.68 is: 756,449,008.65
Step by Step Solution
- Step 1: Write the proportion equation
970,920,152.23 : 1,455,927,442.19 = 504,456,173.68 : x - Step 2: Convert to fraction form
970,920,152.23/1,455,927,442.19 = 504,456,173.68/x - Step 3: Cross multiply
970,920,152.23x = 1,455,927,442.19 × 504,456,173.68 - Step 4: Simplify right side
970,920,152.23x = 734,451,586,633,074,816 - Step 5: Solve for x
x = 734,451,586,633,074,816/970,920,152.23 - Step 6: Final answer
x = 756,449,008.65
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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.