Finding the Fourth Proportional to 283,615,234.48, 391,711,873.68 and 190,634,317.12
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Solution
The fourth proportional to 283,615,234.48, 391,711,873.68 and 190,634,317.12 is: 263,292,363.98
Step by Step Solution
- Step 1: Write the proportion equation
283,615,234.48 : 391,711,873.68 = 190,634,317.12 : x - Step 2: Convert to fraction form
283,615,234.48/391,711,873.68 = 190,634,317.12/x - Step 3: Cross multiply
283,615,234.48x = 391,711,873.68 × 190,634,317.12 - Step 4: Simplify right side
283,615,234.48x = 74,673,725,546,782,512 - Step 5: Solve for x
x = 74,673,725,546,782,512/283,615,234.48 - Step 6: Final answer
x = 263,292,363.98
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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.