Finding the Fourth Proportional to 9,924,890,435.98, 14,891,731,968.81 and 5,202,089,959.88
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Solution
The fourth proportional to 9,924,890,435.98, 14,891,731,968.81 and 5,202,089,959.88 is: 7,805,439,249.92
Step by Step Solution
- Step 1: Write the proportion equation
9,924,890,435.98 : 14,891,731,968.81 = 5,202,089,959.88 : x - Step 2: Convert to fraction form
9,924,890,435.98/14,891,731,968.81 = 5,202,089,959.88/x - Step 3: Cross multiply
9,924,890,435.98x = 14,891,731,968.81 × 5,202,089,959.88 - Step 4: Simplify right side
9,924,890,435.98x = 77,468,129,360,170,532,864 - Step 5: Solve for x
x = 77,468,129,360,170,532,864/9,924,890,435.98 - Step 6: Final answer
x = 7,805,439,249.92
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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.