Finding the Fourth Proportional to 442,319,459.64, 610,522,251.68 and 256,740,262.44
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Solution
The fourth proportional to 442,319,459.64, 610,522,251.68 and 256,740,262.44 is: 354,372,026.16
Step by Step Solution
- Step 1: Write the proportion equation
442,319,459.64 : 610,522,251.68 = 256,740,262.44 : x - Step 2: Convert to fraction form
442,319,459.64/610,522,251.68 = 256,740,262.44/x - Step 3: Cross multiply
442,319,459.64x = 610,522,251.68 × 256,740,262.44 - Step 4: Simplify right side
442,319,459.64x = 156,745,643,121,782,912 - Step 5: Solve for x
x = 156,745,643,121,782,912/442,319,459.64 - Step 6: Final answer
x = 354,372,026.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.