Finding the Fourth Proportional to 346,306,515.84, 477,910,727.82 and 197,624,676.78
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Solution
The fourth proportional to 346,306,515.84, 477,910,727.82 and 197,624,676.78 is: 272,726,468.59
Step by Step Solution
- Step 1: Write the proportion equation
346,306,515.84 : 477,910,727.82 = 197,624,676.78 : x - Step 2: Convert to fraction form
346,306,515.84/477,910,727.82 = 197,624,676.78/x - Step 3: Cross multiply
346,306,515.84x = 477,910,727.82 × 197,624,676.78 - Step 4: Simplify right side
346,306,515.84x = 94,446,953,115,122,048 - Step 5: Solve for x
x = 94,446,953,115,122,048/346,306,515.84 - Step 6: Final answer
x = 272,726,468.59
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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.