Finding the Fourth Proportional to 1,878,107,261.44, 2,817,251,491.92 and 617,543,467.60
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Solution
The fourth proportional to 1,878,107,261.44, 2,817,251,491.92 and 617,543,467.60 is: 926,344,991.65
Step by Step Solution
- Step 1: Write the proportion equation
1,878,107,261.44 : 2,817,251,491.92 = 617,543,467.60 : x - Step 2: Convert to fraction form
1,878,107,261.44/2,817,251,491.92 = 617,543,467.60/x - Step 3: Cross multiply
1,878,107,261.44x = 2,817,251,491.92 × 617,543,467.60 - Step 4: Simplify right side
1,878,107,261.44x = 1,739,775,255,421,550,336 - Step 5: Solve for x
x = 1,739,775,255,421,550,336/1,878,107,261.44 - Step 6: Final answer
x = 926,344,991.65
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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.