Finding the Fourth Proportional to 907,486,176.90, 1,361,229,265.35 and 887,330,784.90
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Solution
The fourth proportional to 907,486,176.90, 1,361,229,265.35 and 887,330,784.90 is: 1,330,996,177.35
Step by Step Solution
- Step 1: Write the proportion equation
907,486,176.90 : 1,361,229,265.35 = 887,330,784.90 : x - Step 2: Convert to fraction form
907,486,176.90/1,361,229,265.35 = 887,330,784.90/x - Step 3: Cross multiply
907,486,176.90x = 1,361,229,265.35 × 887,330,784.90 - Step 4: Simplify right side
907,486,176.90x = 1,207,860,632,451,865,856 - Step 5: Solve for x
x = 1,207,860,632,451,865,856/907,486,176.90 - Step 6: Final answer
x = 1,330,996,177.35
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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.