Finding the Fourth Proportional to 5,617,128,026.68, 7,751,617,327.50 and 3,238,254,621.52
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Solution
The fourth proportional to 5,617,128,026.68, 7,751,617,327.50 and 3,238,254,621.52 is: 4,468,780,222.88
Step by Step Solution
- Step 1: Write the proportion equation
5,617,128,026.68 : 7,751,617,327.50 = 3,238,254,621.52 : x - Step 2: Convert to fraction form
5,617,128,026.68/7,751,617,327.50 = 3,238,254,621.52/x - Step 3: Cross multiply
5,617,128,026.68x = 7,751,617,327.50 × 3,238,254,621.52 - Step 4: Simplify right side
5,617,128,026.68x = 25,101,710,635,031,388,160 - Step 5: Solve for x
x = 25,101,710,635,031,388,160/5,617,128,026.68 - Step 6: Final answer
x = 4,468,780,222.88
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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.