Finding the Fourth Proportional to 561,648,676.01, 842,587,919.12 and 193,135,768.07
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Solution
The fourth proportional to 561,648,676.01, 842,587,919.12 and 193,135,768.07 is: 289,743,164.85
Step by Step Solution
- Step 1: Write the proportion equation
561,648,676.01 : 842,587,919.12 = 193,135,768.07 : x - Step 2: Convert to fraction form
561,648,676.01/842,587,919.12 = 193,135,768.07/x - Step 3: Cross multiply
561,648,676.01x = 842,587,919.12 × 193,135,768.07 - Step 4: Simplify right side
561,648,676.01x = 162,733,864,922,010,272 - Step 5: Solve for x
x = 162,733,864,922,010,272/561,648,676.01 - Step 6: Final answer
x = 289,743,164.85
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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.