Finding the Fourth Proportional to 319,693,734.06, 441,177,175.68 and 180,465,698.22
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Solution
The fourth proportional to 319,693,734.06, 441,177,175.68 and 180,465,698.22 is: 249,042,563.45
Step by Step Solution
- Step 1: Write the proportion equation
319,693,734.06 : 441,177,175.68 = 180,465,698.22 : x - Step 2: Convert to fraction form
319,693,734.06/441,177,175.68 = 180,465,698.22/x - Step 3: Cross multiply
319,693,734.06x = 441,177,175.68 × 180,465,698.22 - Step 4: Simplify right side
319,693,734.06x = 79,617,347,047,818,800 - Step 5: Solve for x
x = 79,617,347,047,818,800/319,693,734.06 - Step 6: Final answer
x = 249,042,563.45
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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.