Finding the Fourth Proportional to 12,682,411,865,643, 19,015,832,321,340 and 4,928,625,879,756.90
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Solution
The fourth proportional to 12,682,411,865,643, 19,015,832,321,340 and 4,928,625,879,756.90 is: 7,389,913,235,507.62
Step by Step Solution
- Step 1: Write the proportion equation
12,682,411,865,643 : 19,015,832,321,340 = 4,928,625,879,756.90 : x - Step 2: Convert to fraction form
12,682,411,865,643/19,015,832,321,340 = 4,928,625,879,756.90/x - Step 3: Cross multiply
12,682,411,865,643x = 19,015,832,321,340 × 4,928,625,879,756.90 - Step 4: Simplify right side
12,682,411,865,643x = 93,721,923,304,074,063,776,841,728 - Step 5: Solve for x
x = 93,721,923,304,074,063,776,841,728/12,682,411,865,643 - Step 6: Final answer
x = 7,389,913,235,507.62
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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.