Finding the Fourth Proportional to 294,396,246,685.84, 406,266,821,208.86 and 159,065,427,122.48
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Solution
The fourth proportional to 294,396,246,685.84, 406,266,821,208.86 and 159,065,427,122.48 is: 219,510,289,851.76
Step by Step Solution
- Step 1: Write the proportion equation
294,396,246,685.84 : 406,266,821,208.86 = 159,065,427,122.48 : x - Step 2: Convert to fraction form
294,396,246,685.84/406,266,821,208.86 = 159,065,427,122.48/x - Step 3: Cross multiply
294,396,246,685.84x = 406,266,821,208.86 × 159,065,427,122.48 - Step 4: Simplify right side
294,396,246,685.84x = 64,623,005,441,279,532,204,032 - Step 5: Solve for x
x = 64,623,005,441,279,532,204,032/294,396,246,685.84 - Step 6: Final answer
x = 219,510,289,851.76
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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.