Finding the Fourth Proportional to 336,939,105.78, 507,708,515.16 and 276,873,796.08
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Solution
The fourth proportional to 336,939,105.78, 507,708,515.16 and 276,873,796.08 is: 417,200,560.82
Step by Step Solution
- Step 1: Write the proportion equation
336,939,105.78 : 507,708,515.16 = 276,873,796.08 : x - Step 2: Convert to fraction form
336,939,105.78/507,708,515.16 = 276,873,796.08/x - Step 3: Cross multiply
336,939,105.78x = 507,708,515.16 × 276,873,796.08 - Step 4: Simplify right side
336,939,105.78x = 140,571,183,894,489,424 - Step 5: Solve for x
x = 140,571,183,894,489,424/336,939,105.78 - Step 6: Final answer
x = 417,200,560.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.