Finding the Fourth Proportional to 979,559,933.84, 1,351,792,724.56 and 539,526,785.84
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Solution
The fourth proportional to 979,559,933.84, 1,351,792,724.56 and 539,526,785.84 is: 744,546,973.20
Step by Step Solution
- Step 1: Write the proportion equation
979,559,933.84 : 1,351,792,724.56 = 539,526,785.84 : x - Step 2: Convert to fraction form
979,559,933.84/1,351,792,724.56 = 539,526,785.84/x - Step 3: Cross multiply
979,559,933.84x = 1,351,792,724.56 × 539,526,785.84 - Step 4: Simplify right side
979,559,933.84x = 729,328,383,803,753,216 - Step 5: Solve for x
x = 729,328,383,803,753,216/979,559,933.84 - Step 6: Final answer
x = 744,546,973.20
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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.