Finding the Fourth Proportional to 250,297,111,415.44, 345,412,473,328.74 and 136,114,213,642.84
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Solution
The fourth proportional to 250,297,111,415.44, 345,412,473,328.74 and 136,114,213,642.84 is: 187,838,952,370.23
Step by Step Solution
- Step 1: Write the proportion equation
250,297,111,415.44 : 345,412,473,328.74 = 136,114,213,642.84 : x - Step 2: Convert to fraction form
250,297,111,415.44/345,412,473,328.74 = 136,114,213,642.84/x - Step 3: Cross multiply
250,297,111,415.44x = 345,412,473,328.74 × 136,114,213,642.84 - Step 4: Simplify right side
250,297,111,415.44x = 47,015,547,189,569,884,520,448 - Step 5: Solve for x
x = 47,015,547,189,569,884,520,448/250,297,111,415.44 - Step 6: Final answer
x = 187,838,952,370.23
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1.5x scale
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.