Finding the Fourth Proportional to 996,408,117.60, 1,494,612,176.40 and 531,503,530.80
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Solution
The fourth proportional to 996,408,117.60, 1,494,612,176.40 and 531,503,530.80 is: 797,255,296.20
Step by Step Solution
- Step 1: Write the proportion equation
996,408,117.60 : 1,494,612,176.40 = 531,503,530.80 : x - Step 2: Convert to fraction form
996,408,117.60/1,494,612,176.40 = 531,503,530.80/x - Step 3: Cross multiply
996,408,117.60x = 1,494,612,176.40 × 531,503,530.80 - Step 4: Simplify right side
996,408,117.60x = 794,391,648,933,272,448 - Step 5: Solve for x
x = 794,391,648,933,272,448/996,408,117.60 - Step 6: Final answer
x = 797,255,296.20
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Double scale
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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.