Finding the Fourth Proportional to 873,765,811.70, 1,310,648,717.55 and 227,533,555.70
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Solution
The fourth proportional to 873,765,811.70, 1,310,648,717.55 and 227,533,555.70 is: 341,300,333.55
Step by Step Solution
- Step 1: Write the proportion equation
873,765,811.70 : 1,310,648,717.55 = 227,533,555.70 : x - Step 2: Convert to fraction form
873,765,811.70/1,310,648,717.55 = 227,533,555.70/x - Step 3: Cross multiply
873,765,811.70x = 1,310,648,717.55 × 227,533,555.70 - Step 4: Simplify right side
873,765,811.70x = 298,216,562,977,796,480 - Step 5: Solve for x
x = 298,216,562,977,796,480/873,765,811.70 - Step 6: Final answer
x = 341,300,333.55
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Similar ratio
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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.