Finding the Fourth Proportional to 1,551,415,141.74, 2,327,057,611.09 and 722,083,525.11
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Solution
The fourth proportional to 1,551,415,141.74, 2,327,057,611.09 and 722,083,525.11 is: 1,083,094,987.11
Step by Step Solution
- Step 1: Write the proportion equation
1,551,415,141.74 : 2,327,057,611.09 = 722,083,525.11 : x - Step 2: Convert to fraction form
1,551,415,141.74/2,327,057,611.09 = 722,083,525.11/x - Step 3: Cross multiply
1,551,415,141.74x = 2,327,057,611.09 × 722,083,525.11 - Step 4: Simplify right side
1,551,415,141.74x = 1,680,329,962,949,922,816 - Step 5: Solve for x
x = 1,680,329,962,949,922,816/1,551,415,141.74 - Step 6: Final answer
x = 1,083,094,987.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.