Finding the Fourth Proportional to 7,848,268,983.86, 11,772,445,984.59 and 2,327,574,848.18
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Solution
The fourth proportional to 7,848,268,983.86, 11,772,445,984.59 and 2,327,574,848.18 is: 3,491,374,879.18
Step by Step Solution
- Step 1: Write the proportion equation
7,848,268,983.86 : 11,772,445,984.59 = 2,327,574,848.18 : x - Step 2: Convert to fraction form
7,848,268,983.86/11,772,445,984.59 = 2,327,574,848.18/x - Step 3: Cross multiply
7,848,268,983.86x = 11,772,445,984.59 × 2,327,574,848.18 - Step 4: Simplify right side
7,848,268,983.86x = 27,401,249,175,289,319,424 - Step 5: Solve for x
x = 27,401,249,175,289,319,424/7,848,268,983.86 - Step 6: Final answer
x = 3,491,374,879.18
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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.