Finding the Fourth Proportional to 996,420,010.05, 1,494,630,015.09 and 996,420,010.05
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Solution
The fourth proportional to 996,420,010.05, 1,494,630,015.09 and 996,420,010.05 is: 1,494,630,015.09
Step by Step Solution
- Step 1: Write the proportion equation
996,420,010.05 : 1,494,630,015.09 = 996,420,010.05 : x - Step 2: Convert to fraction form
996,420,010.05/1,494,630,015.09 = 996,420,010.05/x - Step 3: Cross multiply
996,420,010.05x = 1,494,630,015.09 × 996,420,010.05 - Step 4: Simplify right side
996,420,010.05x = 1,489,279,254,657,009,408 - Step 5: Solve for x
x = 1,489,279,254,657,009,408/996,420,010.05 - Step 6: Final answer
x = 1,494,630,015.09
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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.