Finding the Fourth Proportional to 256,244,597.26, 384,980,085.42 and 164,308,458.99
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Solution
The fourth proportional to 256,244,597.26, 384,980,085.42 and 164,308,458.99 is: 246,855,876.20
Step by Step Solution
- Step 1: Write the proportion equation
256,244,597.26 : 384,980,085.42 = 164,308,458.99 : x - Step 2: Convert to fraction form
256,244,597.26/384,980,085.42 = 164,308,458.99/x - Step 3: Cross multiply
256,244,597.26x = 384,980,085.42 × 164,308,458.99 - Step 4: Simplify right side
256,244,597.26x = 63,255,484,577,198,776 - Step 5: Solve for x
x = 63,255,484,577,198,776/256,244,597.26 - Step 6: Final answer
x = 246,855,876.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.