Finding the Fourth Proportional to 3,011,363,386.20, 4,517,045,079.30 and 2,391,490,603.80
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Solution
The fourth proportional to 3,011,363,386.20, 4,517,045,079.30 and 2,391,490,603.80 is: 3,587,235,905.70
Step by Step Solution
- Step 1: Write the proportion equation
3,011,363,386.20 : 4,517,045,079.30 = 2,391,490,603.80 : x - Step 2: Convert to fraction form
3,011,363,386.20/4,517,045,079.30 = 2,391,490,603.80/x - Step 3: Cross multiply
3,011,363,386.20x = 4,517,045,079.30 × 2,391,490,603.80 - Step 4: Simplify right side
3,011,363,386.20x = 10,802,470,864,086,976,512 - Step 5: Solve for x
x = 10,802,470,864,086,976,512/3,011,363,386.20 - Step 6: Final answer
x = 3,587,235,905.70
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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.