Finding the Fourth Proportional to 3,574,471,368.84, 4,932,815,116.02 and 1,967,111,291.40
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Solution
The fourth proportional to 3,574,471,368.84, 4,932,815,116.02 and 1,967,111,291.40 is: 2,714,638,141.38
Step by Step Solution
- Step 1: Write the proportion equation
3,574,471,368.84 : 4,932,815,116.02 = 1,967,111,291.40 : x - Step 2: Convert to fraction form
3,574,471,368.84/4,932,815,116.02 = 1,967,111,291.40/x - Step 3: Cross multiply
3,574,471,368.84x = 4,932,815,116.02 × 1,967,111,291.40 - Step 4: Simplify right side
3,574,471,368.84x = 9,703,396,313,111,543,808 - Step 5: Solve for x
x = 9,703,396,313,111,543,808/3,574,471,368.84 - Step 6: Final answer
x = 2,714,638,141.38
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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.