Finding the Fourth Proportional to 8,373,564,818.64, 11,555,369,797.86 and 4,563,120,873.60
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Solution
The fourth proportional to 8,373,564,818.64, 11,555,369,797.86 and 4,563,120,873.60 is: 6,297,025,253.74
Step by Step Solution
- Step 1: Write the proportion equation
8,373,564,818.64 : 11,555,369,797.86 = 4,563,120,873.60 : x - Step 2: Convert to fraction form
8,373,564,818.64/11,555,369,797.86 = 4,563,120,873.60/x - Step 3: Cross multiply
8,373,564,818.64x = 11,555,369,797.86 × 4,563,120,873.60 - Step 4: Simplify right side
8,373,564,818.64x = 52,728,549,126,781,984,768 - Step 5: Solve for x
x = 52,728,549,126,781,984,768/8,373,564,818.64 - Step 6: Final answer
x = 6,297,025,253.74
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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.