Finding the Fourth Proportional to 775,803,094.88, 1,163,676,297.84 and 230,530,457.12
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Solution
The fourth proportional to 775,803,094.88, 1,163,676,297.84 and 230,530,457.12 is: 345,787,263.10
Step by Step Solution
- Step 1: Write the proportion equation
775,803,094.88 : 1,163,676,297.84 = 230,530,457.12 : x - Step 2: Convert to fraction form
775,803,094.88/1,163,676,297.84 = 230,530,457.12/x - Step 3: Cross multiply
775,803,094.88x = 1,163,676,297.84 × 230,530,457.12 - Step 4: Simplify right side
775,803,094.88x = 268,262,828,880,764,448 - Step 5: Solve for x
x = 268,262,828,880,764,448/775,803,094.88 - Step 6: Final answer
x = 345,787,263.10
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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.