Finding the Fourth Proportional to 651,049,193.48, 898,524,909.91 and 386,732,230.80
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Solution
The fourth proportional to 651,049,193.48, 898,524,909.91 and 386,732,230.80 is: 533,736,231.18
Step by Step Solution
- Step 1: Write the proportion equation
651,049,193.48 : 898,524,909.91 = 386,732,230.80 : x - Step 2: Convert to fraction form
651,049,193.48/898,524,909.91 = 386,732,230.80/x - Step 3: Cross multiply
651,049,193.48x = 898,524,909.91 × 386,732,230.80 - Step 4: Simplify right side
651,049,193.48x = 347,488,542,835,977,280 - Step 5: Solve for x
x = 347,488,542,835,977,280/651,049,193.48 - Step 6: Final answer
x = 533,736,231.18
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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.