Finding the Fourth Proportional to 529,742,785.80, 794,614,178.70 and 529,742,785.80
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Solution
The fourth proportional to 529,742,785.80, 794,614,178.70 and 529,742,785.80 is: 794,614,178.70
Step by Step Solution
- Step 1: Write the proportion equation
529,742,785.80 : 794,614,178.70 = 529,742,785.80 : x - Step 2: Convert to fraction form
529,742,785.80/794,614,178.70 = 529,742,785.80/x - Step 3: Cross multiply
529,742,785.80x = 794,614,178.70 × 529,742,785.80 - Step 4: Simplify right side
529,742,785.80x = 420,941,128,660,717,056 - Step 5: Solve for x
x = 420,941,128,660,717,056/529,742,785.80 - Step 6: Final answer
x = 794,614,178.70
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Double scale
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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.