Finding the Fourth Proportional to 9,271,946,326.44, 12,798,614,148.62 and 5,512,747,926.05
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Solution
The fourth proportional to 9,271,946,326.44, 12,798,614,148.62 and 5,512,747,926.05 is: 7,609,570,970.33
Step by Step Solution
- Step 1: Write the proportion equation
9,271,946,326.44 : 12,798,614,148.62 = 5,512,747,926.05 : x - Step 2: Convert to fraction form
9,271,946,326.44/12,798,614,148.62 = 5,512,747,926.05/x - Step 3: Cross multiply
9,271,946,326.44x = 12,798,614,148.62 × 5,512,747,926.05 - Step 4: Simplify right side
9,271,946,326.44x = 70,555,533,604,119,101,440 - Step 5: Solve for x
x = 70,555,533,604,119,101,440/9,271,946,326.44 - Step 6: Final answer
x = 7,609,570,970.33
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1.5x scale
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.