Finding the Fourth Proportional to 6,909,018,367.40, 10,343,120,216.70 and 4,582,582,245.80
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Solution
The fourth proportional to 6,909,018,367.40, 10,343,120,216.70 and 4,582,582,245.80 is: 6,860,337,684.85
Step by Step Solution
- Step 1: Write the proportion equation
6,909,018,367.40 : 10,343,120,216.70 = 4,582,582,245.80 : x - Step 2: Convert to fraction form
6,909,018,367.40/10,343,120,216.70 = 4,582,582,245.80/x - Step 3: Cross multiply
6,909,018,367.40x = 10,343,120,216.70 × 4,582,582,245.80 - Step 4: Simplify right side
6,909,018,367.40x = 47,398,199,071,224,471,552 - Step 5: Solve for x
x = 47,398,199,071,224,471,552/6,909,018,367.40 - Step 6: Final answer
x = 6,860,337,684.85
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1.5x scale
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.