Finding the Fourth Proportional to 3,199,374,943.60, 4,799,062,415.40 and 1,649,692,987.60
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Solution
The fourth proportional to 3,199,374,943.60, 4,799,062,415.40 and 1,649,692,987.60 is: 2,474,539,481.40
Step by Step Solution
- Step 1: Write the proportion equation
3,199,374,943.60 : 4,799,062,415.40 = 1,649,692,987.60 : x - Step 2: Convert to fraction form
3,199,374,943.60/4,799,062,415.40 = 1,649,692,987.60/x - Step 3: Cross multiply
3,199,374,943.60x = 4,799,062,415.40 × 1,649,692,987.60 - Step 4: Simplify right side
3,199,374,943.60x = 7,916,979,613,740,097,536 - Step 5: Solve for x
x = 7,916,979,613,740,097,536/3,199,374,943.60 - Step 6: Final answer
x = 2,474,539,481.40
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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.