Finding the Fourth Proportional to 716,586,449,645.58, 988,889,262,687.36 and 386,989,456,101.06
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Solution
The fourth proportional to 716,586,449,645.58, 988,889,262,687.36 and 386,989,456,101.06 is: 534,045,428,993.02
Step by Step Solution
- Step 1: Write the proportion equation
716,586,449,645.58 : 988,889,262,687.36 = 386,989,456,101.06 : x - Step 2: Convert to fraction form
716,586,449,645.58/988,889,262,687.36 = 386,989,456,101.06/x - Step 3: Cross multiply
716,586,449,645.58x = 988,889,262,687.36 × 386,989,456,101.06 - Step 4: Simplify right side
716,586,449,645.58x = 382,689,717,911,559,717,519,360 - Step 5: Solve for x
x = 382,689,717,911,559,717,519,360/716,586,449,645.58 - Step 6: Final answer
x = 534,045,428,993.02
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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.