Finding the Fourth Proportional to 1,761,422,173.63, 2,430,772,209.23 and 1,037,241,694.69
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Solution
The fourth proportional to 1,761,422,173.63, 2,430,772,209.23 and 1,037,241,694.69 is: 1,431,399,197.45
Step by Step Solution
- Step 1: Write the proportion equation
1,761,422,173.63 : 2,430,772,209.23 = 1,037,241,694.69 : x - Step 2: Convert to fraction form
1,761,422,173.63/2,430,772,209.23 = 1,037,241,694.69/x - Step 3: Cross multiply
1,761,422,173.63x = 2,430,772,209.23 × 1,037,241,694.69 - Step 4: Simplify right side
1,761,422,173.63x = 2,521,298,285,695,817,216 - Step 5: Solve for x
x = 2,521,298,285,695,817,216/1,761,422,173.63 - Step 6: Final answer
x = 1,431,399,197.45
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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.