Finding the Fourth Proportional to 788,180,752.70, 1,182,271,129.05 and 497,943,107.90
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Solution
The fourth proportional to 788,180,752.70, 1,182,271,129.05 and 497,943,107.90 is: 746,914,661.85
Step by Step Solution
- Step 1: Write the proportion equation
788,180,752.70 : 1,182,271,129.05 = 497,943,107.90 : x - Step 2: Convert to fraction form
788,180,752.70/1,182,271,129.05 = 497,943,107.90/x - Step 3: Cross multiply
788,180,752.70x = 1,182,271,129.05 × 497,943,107.90 - Step 4: Simplify right side
788,180,752.70x = 588,703,760,379,598,976 - Step 5: Solve for x
x = 588,703,760,379,598,976/788,180,752.70 - Step 6: Final answer
x = 746,914,661.85
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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.