Finding the Fourth Proportional to 779,672,366.13, 1,169,497,529.28 and 189,466,943.97
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Solution
The fourth proportional to 779,672,366.13, 1,169,497,529.28 and 189,466,943.97 is: 284,197,738.02
Step by Step Solution
- Step 1: Write the proportion equation
779,672,366.13 : 1,169,497,529.28 = 189,466,943.97 : x - Step 2: Convert to fraction form
779,672,366.13/1,169,497,529.28 = 189,466,943.97/x - Step 3: Cross multiply
779,672,366.13x = 1,169,497,529.28 × 189,466,943.97 - Step 4: Simplify right side
779,672,366.13x = 221,581,122,853,147,200 - Step 5: Solve for x
x = 221,581,122,853,147,200/779,672,366.13 - Step 6: Final answer
x = 284,197,738.02
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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.