Finding the Fourth Proportional to 266,771,248.75, 368,144,323.28 and 144,677,680.75
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Solution
The fourth proportional to 266,771,248.75, 368,144,323.28 and 144,677,680.75 is: 199,655,199.44
Step by Step Solution
- Step 1: Write the proportion equation
266,771,248.75 : 368,144,323.28 = 144,677,680.75 : x - Step 2: Convert to fraction form
266,771,248.75/368,144,323.28 = 144,677,680.75/x - Step 3: Cross multiply
266,771,248.75x = 368,144,323.28 × 144,677,680.75 - Step 4: Simplify right side
266,771,248.75x = 53,262,266,873,428,632 - Step 5: Solve for x
x = 53,262,266,873,428,632/266,771,248.75 - Step 6: Final answer
x = 199,655,199.44
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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.