Finding the Fourth Proportional to 976,902,107.60, 1,465,353,161.40 and 970,099,662.80
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Solution
The fourth proportional to 976,902,107.60, 1,465,353,161.40 and 970,099,662.80 is: 1,455,149,494.20
Step by Step Solution
- Step 1: Write the proportion equation
976,902,107.60 : 1,465,353,161.40 = 970,099,662.80 : x - Step 2: Convert to fraction form
976,902,107.60/1,465,353,161.40 = 970,099,662.80/x - Step 3: Cross multiply
976,902,107.60x = 1,465,353,161.40 × 970,099,662.80 - Step 4: Simplify right side
976,902,107.60x = 1,421,538,607,757,053,952 - Step 5: Solve for x
x = 1,421,538,607,757,053,952/976,902,107.60 - Step 6: Final answer
x = 1,455,149,494.20
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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.