Finding the Fourth Proportional to 986,187,682.28, 1,360,939,735.26 and 534,069,159.18
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Solution
The fourth proportional to 986,187,682.28, 1,360,939,735.26 and 534,069,159.18 is: 737,015,837.01
Step by Step Solution
- Step 1: Write the proportion equation
986,187,682.28 : 1,360,939,735.26 = 534,069,159.18 : x - Step 2: Convert to fraction form
986,187,682.28/1,360,939,735.26 = 534,069,159.18/x - Step 3: Cross multiply
986,187,682.28x = 1,360,939,735.26 × 534,069,159.18 - Step 4: Simplify right side
986,187,682.28x = 726,835,940,104,960,000 - Step 5: Solve for x
x = 726,835,940,104,960,000/986,187,682.28 - Step 6: Final answer
x = 737,015,837.01
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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.