Finding the Fourth Proportional to 3,386,132,316.05, 5,079,852,574.21 and 1,287,445,546.07
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Solution
The fourth proportional to 3,386,132,316.05, 5,079,852,574.21 and 1,287,445,546.07 is: 1,931,417,015.33
Step by Step Solution
- Step 1: Write the proportion equation
3,386,132,316.05 : 5,079,852,574.21 = 1,287,445,546.07 : x - Step 2: Convert to fraction form
3,386,132,316.05/5,079,852,574.21 = 1,287,445,546.07/x - Step 3: Cross multiply
3,386,132,316.05x = 5,079,852,574.21 × 1,287,445,546.07 - Step 4: Simplify right side
3,386,132,316.05x = 6,540,033,571,382,654,976 - Step 5: Solve for x
x = 6,540,033,571,382,654,976/3,386,132,316.05 - Step 6: Final answer
x = 1,931,417,015.33
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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.