Finding the Fourth Proportional to 850,228,974.24, 1,173,288,214.80 and 537,129,889.44
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Solution
The fourth proportional to 850,228,974.24, 1,173,288,214.80 and 537,129,889.44 is: 741,221,704.02
Step by Step Solution
- Step 1: Write the proportion equation
850,228,974.24 : 1,173,288,214.80 = 537,129,889.44 : x - Step 2: Convert to fraction form
850,228,974.24/1,173,288,214.80 = 537,129,889.44/x - Step 3: Cross multiply
850,228,974.24x = 1,173,288,214.80 × 537,129,889.44 - Step 4: Simplify right side
850,228,974.24x = 630,208,169,096,779,008 - Step 5: Solve for x
x = 630,208,169,096,779,008/850,228,974.24 - Step 6: Final answer
x = 741,221,704.02
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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.