Finding the Fourth Proportional to 2,761,293,980.16, 4,141,956,454.20 and 921,041,605.44
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Solution
The fourth proportional to 2,761,293,980.16, 4,141,956,454.20 and 921,041,605.44 is: 1,381,567,572.90
Step by Step Solution
- Step 1: Write the proportion equation
2,761,293,980.16 : 4,141,956,454.20 = 921,041,605.44 : x - Step 2: Convert to fraction form
2,761,293,980.16/4,141,956,454.20 = 921,041,605.44/x - Step 3: Cross multiply
2,761,293,980.16x = 4,141,956,454.20 × 921,041,605.44 - Step 4: Simplify right side
2,761,293,980.16x = 3,814,914,222,238,938,112 - Step 5: Solve for x
x = 3,814,914,222,238,938,112/2,761,293,980.16 - Step 6: Final answer
x = 1,381,567,572.90
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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.