Finding the Fourth Proportional to 4,935,911,649.74, 6,811,571,011.90 and 2,677,851,059.34
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Solution
The fourth proportional to 4,935,911,649.74, 6,811,571,011.90 and 2,677,851,059.34 is: 3,695,441,479.58
Step by Step Solution
- Step 1: Write the proportion equation
4,935,911,649.74 : 6,811,571,011.90 = 2,677,851,059.34 : x - Step 2: Convert to fraction form
4,935,911,649.74/6,811,571,011.90 = 2,677,851,059.34/x - Step 3: Cross multiply
4,935,911,649.74x = 6,811,571,011.90 × 2,677,851,059.34 - Step 4: Simplify right side
4,935,911,649.74x = 18,240,372,649,986,050,048 - Step 5: Solve for x
x = 18,240,372,649,986,050,048/4,935,911,649.74 - Step 6: Final answer
x = 3,695,441,479.58
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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.