Finding the Fourth Proportional to 14,747,507,987.80, 22,121,261,981.70 and 14,747,507,987.80
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Solution
The fourth proportional to 14,747,507,987.80, 22,121,261,981.70 and 14,747,507,987.80 is: 22,121,261,981.70
Step by Step Solution
- Step 1: Write the proportion equation
14,747,507,987.80 : 22,121,261,981.70 = 14,747,507,987.80 : x - Step 2: Convert to fraction form
14,747,507,987.80/22,121,261,981.70 = 14,747,507,987.80/x - Step 3: Cross multiply
14,747,507,987.80x = 22,121,261,981.70 × 14,747,507,987.80 - Step 4: Simplify right side
14,747,507,987.80x = 326,233,487,775,337,218,048 - Step 5: Solve for x
x = 326,233,487,775,337,218,048/14,747,507,987.80 - Step 6: Final answer
x = 22,121,261,981.70
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1.5x scale
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.