Finding the Fourth Proportional to 395,283,106.73, 545,490,738.99 and 219,082,477.67
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Solution
The fourth proportional to 395,283,106.73, 545,490,738.99 and 219,082,477.67 is: 302,333,847.84
Step by Step Solution
- Step 1: Write the proportion equation
395,283,106.73 : 545,490,738.99 = 219,082,477.67 : x - Step 2: Convert to fraction form
395,283,106.73/545,490,738.99 = 219,082,477.67/x - Step 3: Cross multiply
395,283,106.73x = 545,490,738.99 × 219,082,477.67 - Step 4: Simplify right side
395,283,106.73x = 119,507,462,645,443,808 - Step 5: Solve for x
x = 119,507,462,645,443,808/395,283,106.73 - Step 6: Final answer
x = 302,333,847.84
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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.