Finding the Fourth Proportional to 651,542,337.36, 977,313,687.84 and 191,480,481.36
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Solution
The fourth proportional to 651,542,337.36, 977,313,687.84 and 191,480,481.36 is: 287,220,775.47
Step by Step Solution
- Step 1: Write the proportion equation
651,542,337.36 : 977,313,687.84 = 191,480,481.36 : x - Step 2: Convert to fraction form
651,542,337.36/977,313,687.84 = 191,480,481.36/x - Step 3: Cross multiply
651,542,337.36x = 977,313,687.84 × 191,480,481.36 - Step 4: Simplify right side
651,542,337.36x = 187,136,495,387,320,000 - Step 5: Solve for x
x = 187,136,495,387,320,000/651,542,337.36 - Step 6: Final answer
x = 287,220,775.47
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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.